Printing the initial problem matrix and the intermediates after swapping:
[[245, 251, 253, 278, 196, 169, 87, 85, 131, 259, 161, 283, 238, 287, 268, 273, 274, 171, 285], [189, 244, 115, 267, 194, 186, 128, 78, 88, 147, 164, 213, 271, 281, 241, 269, 280, 282, 294], [176, 198, 210, 191, 151, 116, 103, 105, 291, 250, 174, 182, 158, 231, 236, 276, 292, 202, 290], [277, 150, 227, 136, 145, 127, 26, 39, 97, 122, 162, 249, 63, 149, 272, 205, 275, 284, 286], [173, 142, 132, 93, 262, 31, 124, 44, 49, 64, 234, 117, 126, 129, 154, 223, 242, 232, 279], [177, 155, 188, 65, 256, 45, 18, 23, 239, 19, 83, 114, 222, 138, 112, 195, 200, 175, 192], [190, 203, 123, 111, 55, 54, 17, 16, 72, 48, 38, 42, 80, 84, 89, 102, 135, 181, 224], [165, 120, 172, 104, 52, 141, 21, 15, 11, 12, 13, 109, 96, 148, 209, 230, 178, 163, 226], [130, 94, 71, 57, 53, 59, 46, 56, 28, 14, 35, 79, 98, 170, 247, 265, 179, 180, 146], [121, 217, 10, 75, 32, 50, 29, 25, 91, 22, 27, 60, 67, 219, 216, 207, 187, 185, 208], [199, 139, 134, 82, 153, 77, 119, 70, 30, 24, 37, 106, 215, 183, 201, 289, 237, 214, 221], [168, 51, 118, 107, 95, 76, 100, 143, 41, 140, 33, 159, 220, 204, 240, 218, 257, 270, 233], [206, 156, 167, 110, 99, 108, 43, 40, 36, 34, 47, 73, 81, 252, 212, 235, 243, 254, 288], [225, 157, 184, 248, 113, 144, 58, 86, 125, 211, 61, 92, 255, 20, 229, 197, 263, 258, 261], [266, 228, 166, 160, 68, 90, 62, 74, 66, 101, 69, 152, 133, 137, 246, 193, 260, 293, 264]]


Swap: 
[259, 138]


[[245, 251, 253, 278, 196, 169, 87, 85, 131, 138, 161, 283, 238, 287, 268, 273, 274, 171, 285], [189, 244, 115, 267, 194, 186, 128, 78, 88, 147, 164, 213, 271, 281, 241, 269, 280, 282, 294], [176, 198, 210, 191, 151, 116, 103, 105, 291, 250, 174, 182, 158, 231, 236, 276, 292, 202, 290], [277, 150, 227, 136, 145, 127, 26, 39, 97, 122, 162, 249, 63, 149, 272, 205, 275, 284, 286], [173, 142, 132, 93, 262, 31, 124, 44, 49, 64, 234, 117, 126, 129, 154, 223, 242, 232, 279], [177, 155, 188, 65, 256, 45, 18, 23, 239, 19, 83, 114, 222, 259, 112, 195, 200, 175, 192], [190, 203, 123, 111, 55, 54, 17, 16, 72, 48, 38, 42, 80, 84, 89, 102, 135, 181, 224], [165, 120, 172, 104, 52, 141, 21, 15, 11, 12, 13, 109, 96, 148, 209, 230, 178, 163, 226], [130, 94, 71, 57, 53, 59, 46, 56, 28, 14, 35, 79, 98, 170, 247, 265, 179, 180, 146], [121, 217, 10, 75, 32, 50, 29, 25, 91, 22, 27, 60, 67, 219, 216, 207, 187, 185, 208], [199, 139, 134, 82, 153, 77, 119, 70, 30, 24, 37, 106, 215, 183, 201, 289, 237, 214, 221], [168, 51, 118, 107, 95, 76, 100, 143, 41, 140, 33, 159, 220, 204, 240, 218, 257, 270, 233], [206, 156, 167, 110, 99, 108, 43, 40, 36, 34, 47, 73, 81, 252, 212, 235, 243, 254, 288], [225, 157, 184, 248, 113, 144, 58, 86, 125, 211, 61, 92, 255, 20, 229, 197, 263, 258, 261], [266, 228, 166, 160, 68, 90, 62, 74, 66, 101, 69, 152, 133, 137, 246, 193, 260, 293, 264]]


Swap: 
[130, 120]


[[245, 251, 253, 278, 196, 169, 87, 85, 131, 138, 161, 283, 238, 287, 268, 273, 274, 171, 285], [189, 244, 115, 267, 194, 186, 128, 78, 88, 147, 164, 213, 271, 281, 241, 269, 280, 282, 294], [176, 198, 210, 191, 151, 116, 103, 105, 291, 250, 174, 182, 158, 231, 236, 276, 292, 202, 290], [277, 150, 227, 136, 145, 127, 26, 39, 97, 122, 162, 249, 63, 149, 272, 205, 275, 284, 286], [173, 142, 132, 93, 262, 31, 124, 44, 49, 64, 234, 117, 126, 129, 154, 223, 242, 232, 279], [177, 155, 188, 65, 256, 45, 18, 23, 239, 19, 83, 114, 222, 259, 112, 195, 200, 175, 192], [190, 203, 123, 111, 55, 54, 17, 16, 72, 48, 38, 42, 80, 84, 89, 102, 135, 181, 224], [165, 130, 172, 104, 52, 141, 21, 15, 11, 12, 13, 109, 96, 148, 209, 230, 178, 163, 226], [120, 94, 71, 57, 53, 59, 46, 56, 28, 14, 35, 79, 98, 170, 247, 265, 179, 180, 146], [121, 217, 10, 75, 32, 50, 29, 25, 91, 22, 27, 60, 67, 219, 216, 207, 187, 185, 208], [199, 139, 134, 82, 153, 77, 119, 70, 30, 24, 37, 106, 215, 183, 201, 289, 237, 214, 221], [168, 51, 118, 107, 95, 76, 100, 143, 41, 140, 33, 159, 220, 204, 240, 218, 257, 270, 233], [206, 156, 167, 110, 99, 108, 43, 40, 36, 34, 47, 73, 81, 252, 212, 235, 243, 254, 288], [225, 157, 184, 248, 113, 144, 58, 86, 125, 211, 61, 92, 255, 20, 229, 197, 263, 258, 261], [266, 228, 166, 160, 68, 90, 62, 74, 66, 101, 69, 152, 133, 137, 246, 193, 260, 293, 264]]


Swap: 
[283, 233]


[[245, 251, 253, 278, 196, 169, 87, 85, 131, 138, 161, 233, 238, 287, 268, 273, 274, 171, 285], [189, 244, 115, 267, 194, 186, 128, 78, 88, 147, 164, 213, 271, 281, 241, 269, 280, 282, 294], [176, 198, 210, 191, 151, 116, 103, 105, 291, 250, 174, 182, 158, 231, 236, 276, 292, 202, 290], [277, 150, 227, 136, 145, 127, 26, 39, 97, 122, 162, 249, 63, 149, 272, 205, 275, 284, 286], [173, 142, 132, 93, 262, 31, 124, 44, 49, 64, 234, 117, 126, 129, 154, 223, 242, 232, 279], [177, 155, 188, 65, 256, 45, 18, 23, 239, 19, 83, 114, 222, 259, 112, 195, 200, 175, 192], [190, 203, 123, 111, 55, 54, 17, 16, 72, 48, 38, 42, 80, 84, 89, 102, 135, 181, 224], [165, 130, 172, 104, 52, 141, 21, 15, 11, 12, 13, 109, 96, 148, 209, 230, 178, 163, 226], [120, 94, 71, 57, 53, 59, 46, 56, 28, 14, 35, 79, 98, 170, 247, 265, 179, 180, 146], [121, 217, 10, 75, 32, 50, 29, 25, 91, 22, 27, 60, 67, 219, 216, 207, 187, 185, 208], [199, 139, 134, 82, 153, 77, 119, 70, 30, 24, 37, 106, 215, 183, 201, 289, 237, 214, 221], [168, 51, 118, 107, 95, 76, 100, 143, 41, 140, 33, 159, 220, 204, 240, 218, 257, 270, 283], [206, 156, 167, 110, 99, 108, 43, 40, 36, 34, 47, 73, 81, 252, 212, 235, 243, 254, 288], [225, 157, 184, 248, 113, 144, 58, 86, 125, 211, 61, 92, 255, 20, 229, 197, 263, 258, 261], [266, 228, 166, 160, 68, 90, 62, 74, 66, 101, 69, 152, 133, 137, 246, 193, 260, 293, 264]]


Swap: 
[181, 163]


[[245, 251, 253, 278, 196, 169, 87, 85, 131, 138, 161, 233, 238, 287, 268, 273, 274, 171, 285], [189, 244, 115, 267, 194, 186, 128, 78, 88, 147, 164, 213, 271, 281, 241, 269, 280, 282, 294], [176, 198, 210, 191, 151, 116, 103, 105, 291, 250, 174, 182, 158, 231, 236, 276, 292, 202, 290], [277, 150, 227, 136, 145, 127, 26, 39, 97, 122, 162, 249, 63, 149, 272, 205, 275, 284, 286], [173, 142, 132, 93, 262, 31, 124, 44, 49, 64, 234, 117, 126, 129, 154, 223, 242, 232, 279], [177, 155, 188, 65, 256, 45, 18, 23, 239, 19, 83, 114, 222, 259, 112, 195, 200, 175, 192], [190, 203, 123, 111, 55, 54, 17, 16, 72, 48, 38, 42, 80, 84, 89, 102, 135, 163, 224], [165, 130, 172, 104, 52, 141, 21, 15, 11, 12, 13, 109, 96, 148, 209, 230, 178, 181, 226], [120, 94, 71, 57, 53, 59, 46, 56, 28, 14, 35, 79, 98, 170, 247, 265, 179, 180, 146], [121, 217, 10, 75, 32, 50, 29, 25, 91, 22, 27, 60, 67, 219, 216, 207, 187, 185, 208], [199, 139, 134, 82, 153, 77, 119, 70, 30, 24, 37, 106, 215, 183, 201, 289, 237, 214, 221], [168, 51, 118, 107, 95, 76, 100, 143, 41, 140, 33, 159, 220, 204, 240, 218, 257, 270, 283], [206, 156, 167, 110, 99, 108, 43, 40, 36, 34, 47, 73, 81, 252, 212, 235, 243, 254, 288], [225, 157, 184, 248, 113, 144, 58, 86, 125, 211, 61, 92, 255, 20, 229, 197, 263, 258, 261], [266, 228, 166, 160, 68, 90, 62, 74, 66, 101, 69, 152, 133, 137, 246, 193, 260, 293, 264]]


Swap: 
[246, 158]


[[245, 251, 253, 278, 196, 169, 87, 85, 131, 138, 161, 233, 238, 287, 268, 273, 274, 171, 285], [189, 244, 115, 267, 194, 186, 128, 78, 88, 147, 164, 213, 271, 281, 241, 269, 280, 282, 294], [176, 198, 210, 191, 151, 116, 103, 105, 291, 250, 174, 182, 246, 231, 236, 276, 292, 202, 290], [277, 150, 227, 136, 145, 127, 26, 39, 97, 122, 162, 249, 63, 149, 272, 205, 275, 284, 286], [173, 142, 132, 93, 262, 31, 124, 44, 49, 64, 234, 117, 126, 129, 154, 223, 242, 232, 279], [177, 155, 188, 65, 256, 45, 18, 23, 239, 19, 83, 114, 222, 259, 112, 195, 200, 175, 192], [190, 203, 123, 111, 55, 54, 17, 16, 72, 48, 38, 42, 80, 84, 89, 102, 135, 163, 224], [165, 130, 172, 104, 52, 141, 21, 15, 11, 12, 13, 109, 96, 148, 209, 230, 178, 181, 226], [120, 94, 71, 57, 53, 59, 46, 56, 28, 14, 35, 79, 98, 170, 247, 265, 179, 180, 146], [121, 217, 10, 75, 32, 50, 29, 25, 91, 22, 27, 60, 67, 219, 216, 207, 187, 185, 208], [199, 139, 134, 82, 153, 77, 119, 70, 30, 24, 37, 106, 215, 183, 201, 289, 237, 214, 221], [168, 51, 118, 107, 95, 76, 100, 143, 41, 140, 33, 159, 220, 204, 240, 218, 257, 270, 283], [206, 156, 167, 110, 99, 108, 43, 40, 36, 34, 47, 73, 81, 252, 212, 235, 243, 254, 288], [225, 157, 184, 248, 113, 144, 58, 86, 125, 211, 61, 92, 255, 20, 229, 197, 263, 258, 261], [266, 228, 166, 160, 68, 90, 62, 74, 66, 101, 69, 152, 133, 137, 158, 193, 260, 293, 264]]


Swap: 
[252, 169]


[[245, 251, 253, 278, 196, 252, 87, 85, 131, 138, 161, 233, 238, 287, 268, 273, 274, 171, 285], [189, 244, 115, 267, 194, 186, 128, 78, 88, 147, 164, 213, 271, 281, 241, 269, 280, 282, 294], [176, 198, 210, 191, 151, 116, 103, 105, 291, 250, 174, 182, 246, 231, 236, 276, 292, 202, 290], [277, 150, 227, 136, 145, 127, 26, 39, 97, 122, 162, 249, 63, 149, 272, 205, 275, 284, 286], [173, 142, 132, 93, 262, 31, 124, 44, 49, 64, 234, 117, 126, 129, 154, 223, 242, 232, 279], [177, 155, 188, 65, 256, 45, 18, 23, 239, 19, 83, 114, 222, 259, 112, 195, 200, 175, 192], [190, 203, 123, 111, 55, 54, 17, 16, 72, 48, 38, 42, 80, 84, 89, 102, 135, 163, 224], [165, 130, 172, 104, 52, 141, 21, 15, 11, 12, 13, 109, 96, 148, 209, 230, 178, 181, 226], [120, 94, 71, 57, 53, 59, 46, 56, 28, 14, 35, 79, 98, 170, 247, 265, 179, 180, 146], [121, 217, 10, 75, 32, 50, 29, 25, 91, 22, 27, 60, 67, 219, 216, 207, 187, 185, 208], [199, 139, 134, 82, 153, 77, 119, 70, 30, 24, 37, 106, 215, 183, 201, 289, 237, 214, 221], [168, 51, 118, 107, 95, 76, 100, 143, 41, 140, 33, 159, 220, 204, 240, 218, 257, 270, 283], [206, 156, 167, 110, 99, 108, 43, 40, 36, 34, 47, 73, 81, 169, 212, 235, 243, 254, 288], [225, 157, 184, 248, 113, 144, 58, 86, 125, 211, 61, 92, 255, 20, 229, 197, 263, 258, 261], [266, 228, 166, 160, 68, 90, 62, 74, 66, 101, 69, 152, 133, 137, 158, 193, 260, 293, 264]]


Swap: 
[223, 203]


[[245, 251, 253, 278, 196, 252, 87, 85, 131, 138, 161, 233, 238, 287, 268, 273, 274, 171, 285], [189, 244, 115, 267, 194, 186, 128, 78, 88, 147, 164, 213, 271, 281, 241, 269, 280, 282, 294], [176, 198, 210, 191, 151, 116, 103, 105, 291, 250, 174, 182, 246, 231, 236, 276, 292, 202, 290], [277, 150, 227, 136, 145, 127, 26, 39, 97, 122, 162, 249, 63, 149, 272, 205, 275, 284, 286], [173, 142, 132, 93, 262, 31, 124, 44, 49, 64, 234, 117, 126, 129, 154, 203, 242, 232, 279], [177, 155, 188, 65, 256, 45, 18, 23, 239, 19, 83, 114, 222, 259, 112, 195, 200, 175, 192], [190, 223, 123, 111, 55, 54, 17, 16, 72, 48, 38, 42, 80, 84, 89, 102, 135, 163, 224], [165, 130, 172, 104, 52, 141, 21, 15, 11, 12, 13, 109, 96, 148, 209, 230, 178, 181, 226], [120, 94, 71, 57, 53, 59, 46, 56, 28, 14, 35, 79, 98, 170, 247, 265, 179, 180, 146], [121, 217, 10, 75, 32, 50, 29, 25, 91, 22, 27, 60, 67, 219, 216, 207, 187, 185, 208], [199, 139, 134, 82, 153, 77, 119, 70, 30, 24, 37, 106, 215, 183, 201, 289, 237, 214, 221], [168, 51, 118, 107, 95, 76, 100, 143, 41, 140, 33, 159, 220, 204, 240, 218, 257, 270, 283], [206, 156, 167, 110, 99, 108, 43, 40, 36, 34, 47, 73, 81, 169, 212, 235, 243, 254, 288], [225, 157, 184, 248, 113, 144, 58, 86, 125, 211, 61, 92, 255, 20, 229, 197, 263, 258, 261], [266, 228, 166, 160, 68, 90, 62, 74, 66, 101, 69, 152, 133, 137, 158, 193, 260, 293, 264]]


Swap: 
[100, 68]


[[245, 251, 253, 278, 196, 252, 87, 85, 131, 138, 161, 233, 238, 287, 268, 273, 274, 171, 285], [189, 244, 115, 267, 194, 186, 128, 78, 88, 147, 164, 213, 271, 281, 241, 269, 280, 282, 294], [176, 198, 210, 191, 151, 116, 103, 105, 291, 250, 174, 182, 246, 231, 236, 276, 292, 202, 290], [277, 150, 227, 136, 145, 127, 26, 39, 97, 122, 162, 249, 63, 149, 272, 205, 275, 284, 286], [173, 142, 132, 93, 262, 31, 124, 44, 49, 64, 234, 117, 126, 129, 154, 203, 242, 232, 279], [177, 155, 188, 65, 256, 45, 18, 23, 239, 19, 83, 114, 222, 259, 112, 195, 200, 175, 192], [190, 223, 123, 111, 55, 54, 17, 16, 72, 48, 38, 42, 80, 84, 89, 102, 135, 163, 224], [165, 130, 172, 104, 52, 141, 21, 15, 11, 12, 13, 109, 96, 148, 209, 230, 178, 181, 226], [120, 94, 71, 57, 53, 59, 46, 56, 28, 14, 35, 79, 98, 170, 247, 265, 179, 180, 146], [121, 217, 10, 75, 32, 50, 29, 25, 91, 22, 27, 60, 67, 219, 216, 207, 187, 185, 208], [199, 139, 134, 82, 153, 77, 119, 70, 30, 24, 37, 106, 215, 183, 201, 289, 237, 214, 221], [168, 51, 118, 107, 95, 76, 68, 143, 41, 140, 33, 159, 220, 204, 240, 218, 257, 270, 283], [206, 156, 167, 110, 99, 108, 43, 40, 36, 34, 47, 73, 81, 169, 212, 235, 243, 254, 288], [225, 157, 184, 248, 113, 144, 58, 86, 125, 211, 61, 92, 255, 20, 229, 197, 263, 258, 261], [266, 228, 166, 160, 100, 90, 62, 74, 66, 101, 69, 152, 133, 137, 158, 193, 260, 293, 264]]


Swap: 
[56, 19]


[[245, 251, 253, 278, 196, 252, 87, 85, 131, 138, 161, 233, 238, 287, 268, 273, 274, 171, 285], [189, 244, 115, 267, 194, 186, 128, 78, 88, 147, 164, 213, 271, 281, 241, 269, 280, 282, 294], [176, 198, 210, 191, 151, 116, 103, 105, 291, 250, 174, 182, 246, 231, 236, 276, 292, 202, 290], [277, 150, 227, 136, 145, 127, 26, 39, 97, 122, 162, 249, 63, 149, 272, 205, 275, 284, 286], [173, 142, 132, 93, 262, 31, 124, 44, 49, 64, 234, 117, 126, 129, 154, 203, 242, 232, 279], [177, 155, 188, 65, 256, 45, 18, 23, 239, 56, 83, 114, 222, 259, 112, 195, 200, 175, 192], [190, 223, 123, 111, 55, 54, 17, 16, 72, 48, 38, 42, 80, 84, 89, 102, 135, 163, 224], [165, 130, 172, 104, 52, 141, 21, 15, 11, 12, 13, 109, 96, 148, 209, 230, 178, 181, 226], [120, 94, 71, 57, 53, 59, 46, 19, 28, 14, 35, 79, 98, 170, 247, 265, 179, 180, 146], [121, 217, 10, 75, 32, 50, 29, 25, 91, 22, 27, 60, 67, 219, 216, 207, 187, 185, 208], [199, 139, 134, 82, 153, 77, 119, 70, 30, 24, 37, 106, 215, 183, 201, 289, 237, 214, 221], [168, 51, 118, 107, 95, 76, 68, 143, 41, 140, 33, 159, 220, 204, 240, 218, 257, 270, 283], [206, 156, 167, 110, 99, 108, 43, 40, 36, 34, 47, 73, 81, 169, 212, 235, 243, 254, 288], [225, 157, 184, 248, 113, 144, 58, 86, 125, 211, 61, 92, 255, 20, 229, 197, 263, 258, 261], [266, 228, 166, 160, 100, 90, 62, 74, 66, 101, 69, 152, 133, 137, 158, 193, 260, 293, 264]]


Swap: 
[256, 63]


[[245, 251, 253, 278, 196, 252, 87, 85, 131, 138, 161, 233, 238, 287, 268, 273, 274, 171, 285], [189, 244, 115, 267, 194, 186, 128, 78, 88, 147, 164, 213, 271, 281, 241, 269, 280, 282, 294], [176, 198, 210, 191, 151, 116, 103, 105, 291, 250, 174, 182, 246, 231, 236, 276, 292, 202, 290], [277, 150, 227, 136, 145, 127, 26, 39, 97, 122, 162, 249, 256, 149, 272, 205, 275, 284, 286], [173, 142, 132, 93, 262, 31, 124, 44, 49, 64, 234, 117, 126, 129, 154, 203, 242, 232, 279], [177, 155, 188, 65, 63, 45, 18, 23, 239, 56, 83, 114, 222, 259, 112, 195, 200, 175, 192], [190, 223, 123, 111, 55, 54, 17, 16, 72, 48, 38, 42, 80, 84, 89, 102, 135, 163, 224], [165, 130, 172, 104, 52, 141, 21, 15, 11, 12, 13, 109, 96, 148, 209, 230, 178, 181, 226], [120, 94, 71, 57, 53, 59, 46, 19, 28, 14, 35, 79, 98, 170, 247, 265, 179, 180, 146], [121, 217, 10, 75, 32, 50, 29, 25, 91, 22, 27, 60, 67, 219, 216, 207, 187, 185, 208], [199, 139, 134, 82, 153, 77, 119, 70, 30, 24, 37, 106, 215, 183, 201, 289, 237, 214, 221], [168, 51, 118, 107, 95, 76, 68, 143, 41, 140, 33, 159, 220, 204, 240, 218, 257, 270, 283], [206, 156, 167, 110, 99, 108, 43, 40, 36, 34, 47, 73, 81, 169, 212, 235, 243, 254, 288], [225, 157, 184, 248, 113, 144, 58, 86, 125, 211, 61, 92, 255, 20, 229, 197, 263, 258, 261], [266, 228, 166, 160, 100, 90, 62, 74, 66, 101, 69, 152, 133, 137, 158, 193, 260, 293, 264]]


Swap: 
[289, 202]


[[245, 251, 253, 278, 196, 252, 87, 85, 131, 138, 161, 233, 238, 287, 268, 273, 274, 171, 285], [189, 244, 115, 267, 194, 186, 128, 78, 88, 147, 164, 213, 271, 281, 241, 269, 280, 282, 294], [176, 198, 210, 191, 151, 116, 103, 105, 291, 250, 174, 182, 246, 231, 236, 276, 292, 289, 290], [277, 150, 227, 136, 145, 127, 26, 39, 97, 122, 162, 249, 256, 149, 272, 205, 275, 284, 286], [173, 142, 132, 93, 262, 31, 124, 44, 49, 64, 234, 117, 126, 129, 154, 203, 242, 232, 279], [177, 155, 188, 65, 63, 45, 18, 23, 239, 56, 83, 114, 222, 259, 112, 195, 200, 175, 192], [190, 223, 123, 111, 55, 54, 17, 16, 72, 48, 38, 42, 80, 84, 89, 102, 135, 163, 224], [165, 130, 172, 104, 52, 141, 21, 15, 11, 12, 13, 109, 96, 148, 209, 230, 178, 181, 226], [120, 94, 71, 57, 53, 59, 46, 19, 28, 14, 35, 79, 98, 170, 247, 265, 179, 180, 146], [121, 217, 10, 75, 32, 50, 29, 25, 91, 22, 27, 60, 67, 219, 216, 207, 187, 185, 208], [199, 139, 134, 82, 153, 77, 119, 70, 30, 24, 37, 106, 215, 183, 201, 202, 237, 214, 221], [168, 51, 118, 107, 95, 76, 68, 143, 41, 140, 33, 159, 220, 204, 240, 218, 257, 270, 283], [206, 156, 167, 110, 99, 108, 43, 40, 36, 34, 47, 73, 81, 169, 212, 235, 243, 254, 288], [225, 157, 184, 248, 113, 144, 58, 86, 125, 211, 61, 92, 255, 20, 229, 197, 263, 258, 261], [266, 228, 166, 160, 100, 90, 62, 74, 66, 101, 69, 152, 133, 137, 158, 193, 260, 293, 264]]


Swap: 
[255, 115]


[[245, 251, 253, 278, 196, 252, 87, 85, 131, 138, 161, 233, 238, 287, 268, 273, 274, 171, 285], [189, 244, 255, 267, 194, 186, 128, 78, 88, 147, 164, 213, 271, 281, 241, 269, 280, 282, 294], [176, 198, 210, 191, 151, 116, 103, 105, 291, 250, 174, 182, 246, 231, 236, 276, 292, 289, 290], [277, 150, 227, 136, 145, 127, 26, 39, 97, 122, 162, 249, 256, 149, 272, 205, 275, 284, 286], [173, 142, 132, 93, 262, 31, 124, 44, 49, 64, 234, 117, 126, 129, 154, 203, 242, 232, 279], [177, 155, 188, 65, 63, 45, 18, 23, 239, 56, 83, 114, 222, 259, 112, 195, 200, 175, 192], [190, 223, 123, 111, 55, 54, 17, 16, 72, 48, 38, 42, 80, 84, 89, 102, 135, 163, 224], [165, 130, 172, 104, 52, 141, 21, 15, 11, 12, 13, 109, 96, 148, 209, 230, 178, 181, 226], [120, 94, 71, 57, 53, 59, 46, 19, 28, 14, 35, 79, 98, 170, 247, 265, 179, 180, 146], [121, 217, 10, 75, 32, 50, 29, 25, 91, 22, 27, 60, 67, 219, 216, 207, 187, 185, 208], [199, 139, 134, 82, 153, 77, 119, 70, 30, 24, 37, 106, 215, 183, 201, 202, 237, 214, 221], [168, 51, 118, 107, 95, 76, 68, 143, 41, 140, 33, 159, 220, 204, 240, 218, 257, 270, 283], [206, 156, 167, 110, 99, 108, 43, 40, 36, 34, 47, 73, 81, 169, 212, 235, 243, 254, 288], [225, 157, 184, 248, 113, 144, 58, 86, 125, 211, 61, 92, 115, 20, 229, 197, 263, 258, 261], [266, 228, 166, 160, 100, 90, 62, 74, 66, 101, 69, 152, 133, 137, 158, 193, 260, 293, 264]]


Swap: 
[141, 51]


[[245, 251, 253, 278, 196, 252, 87, 85, 131, 138, 161, 233, 238, 287, 268, 273, 274, 171, 285], [189, 244, 255, 267, 194, 186, 128, 78, 88, 147, 164, 213, 271, 281, 241, 269, 280, 282, 294], [176, 198, 210, 191, 151, 116, 103, 105, 291, 250, 174, 182, 246, 231, 236, 276, 292, 289, 290], [277, 150, 227, 136, 145, 127, 26, 39, 97, 122, 162, 249, 256, 149, 272, 205, 275, 284, 286], [173, 142, 132, 93, 262, 31, 124, 44, 49, 64, 234, 117, 126, 129, 154, 203, 242, 232, 279], [177, 155, 188, 65, 63, 45, 18, 23, 239, 56, 83, 114, 222, 259, 112, 195, 200, 175, 192], [190, 223, 123, 111, 55, 54, 17, 16, 72, 48, 38, 42, 80, 84, 89, 102, 135, 163, 224], [165, 130, 172, 104, 52, 51, 21, 15, 11, 12, 13, 109, 96, 148, 209, 230, 178, 181, 226], [120, 94, 71, 57, 53, 59, 46, 19, 28, 14, 35, 79, 98, 170, 247, 265, 179, 180, 146], [121, 217, 10, 75, 32, 50, 29, 25, 91, 22, 27, 60, 67, 219, 216, 207, 187, 185, 208], [199, 139, 134, 82, 153, 77, 119, 70, 30, 24, 37, 106, 215, 183, 201, 202, 237, 214, 221], [168, 141, 118, 107, 95, 76, 68, 143, 41, 140, 33, 159, 220, 204, 240, 218, 257, 270, 283], [206, 156, 167, 110, 99, 108, 43, 40, 36, 34, 47, 73, 81, 169, 212, 235, 243, 254, 288], [225, 157, 184, 248, 113, 144, 58, 86, 125, 211, 61, 92, 115, 20, 229, 197, 263, 258, 261], [266, 228, 166, 160, 100, 90, 62, 74, 66, 101, 69, 152, 133, 137, 158, 193, 260, 293, 264]]


Swap: 
[277, 171]


[[245, 251, 253, 278, 196, 252, 87, 85, 131, 138, 161, 233, 238, 287, 268, 273, 274, 277, 285], [189, 244, 255, 267, 194, 186, 128, 78, 88, 147, 164, 213, 271, 281, 241, 269, 280, 282, 294], [176, 198, 210, 191, 151, 116, 103, 105, 291, 250, 174, 182, 246, 231, 236, 276, 292, 289, 290], [171, 150, 227, 136, 145, 127, 26, 39, 97, 122, 162, 249, 256, 149, 272, 205, 275, 284, 286], [173, 142, 132, 93, 262, 31, 124, 44, 49, 64, 234, 117, 126, 129, 154, 203, 242, 232, 279], [177, 155, 188, 65, 63, 45, 18, 23, 239, 56, 83, 114, 222, 259, 112, 195, 200, 175, 192], [190, 223, 123, 111, 55, 54, 17, 16, 72, 48, 38, 42, 80, 84, 89, 102, 135, 163, 224], [165, 130, 172, 104, 52, 51, 21, 15, 11, 12, 13, 109, 96, 148, 209, 230, 178, 181, 226], [120, 94, 71, 57, 53, 59, 46, 19, 28, 14, 35, 79, 98, 170, 247, 265, 179, 180, 146], [121, 217, 10, 75, 32, 50, 29, 25, 91, 22, 27, 60, 67, 219, 216, 207, 187, 185, 208], [199, 139, 134, 82, 153, 77, 119, 70, 30, 24, 37, 106, 215, 183, 201, 202, 237, 214, 221], [168, 141, 118, 107, 95, 76, 68, 143, 41, 140, 33, 159, 220, 204, 240, 218, 257, 270, 283], [206, 156, 167, 110, 99, 108, 43, 40, 36, 34, 47, 73, 81, 169, 212, 235, 243, 254, 288], [225, 157, 184, 248, 113, 144, 58, 86, 125, 211, 61, 92, 115, 20, 229, 197, 263, 258, 261], [266, 228, 166, 160, 100, 90, 62, 74, 66, 101, 69, 152, 133, 137, 158, 193, 260, 293, 264]]


Swap: 
[124, 20]


[[245, 251, 253, 278, 196, 252, 87, 85, 131, 138, 161, 233, 238, 287, 268, 273, 274, 277, 285], [189, 244, 255, 267, 194, 186, 128, 78, 88, 147, 164, 213, 271, 281, 241, 269, 280, 282, 294], [176, 198, 210, 191, 151, 116, 103, 105, 291, 250, 174, 182, 246, 231, 236, 276, 292, 289, 290], [171, 150, 227, 136, 145, 127, 26, 39, 97, 122, 162, 249, 256, 149, 272, 205, 275, 284, 286], [173, 142, 132, 93, 262, 31, 20, 44, 49, 64, 234, 117, 126, 129, 154, 203, 242, 232, 279], [177, 155, 188, 65, 63, 45, 18, 23, 239, 56, 83, 114, 222, 259, 112, 195, 200, 175, 192], [190, 223, 123, 111, 55, 54, 17, 16, 72, 48, 38, 42, 80, 84, 89, 102, 135, 163, 224], [165, 130, 172, 104, 52, 51, 21, 15, 11, 12, 13, 109, 96, 148, 209, 230, 178, 181, 226], [120, 94, 71, 57, 53, 59, 46, 19, 28, 14, 35, 79, 98, 170, 247, 265, 179, 180, 146], [121, 217, 10, 75, 32, 50, 29, 25, 91, 22, 27, 60, 67, 219, 216, 207, 187, 185, 208], [199, 139, 134, 82, 153, 77, 119, 70, 30, 24, 37, 106, 215, 183, 201, 202, 237, 214, 221], [168, 141, 118, 107, 95, 76, 68, 143, 41, 140, 33, 159, 220, 204, 240, 218, 257, 270, 283], [206, 156, 167, 110, 99, 108, 43, 40, 36, 34, 47, 73, 81, 169, 212, 235, 243, 254, 288], [225, 157, 184, 248, 113, 144, 58, 86, 125, 211, 61, 92, 115, 124, 229, 197, 263, 258, 261], [266, 228, 166, 160, 100, 90, 62, 74, 66, 101, 69, 152, 133, 137, 158, 193, 260, 293, 264]]


Swap: 
[72, 10]


[[245, 251, 253, 278, 196, 252, 87, 85, 131, 138, 161, 233, 238, 287, 268, 273, 274, 277, 285], [189, 244, 255, 267, 194, 186, 128, 78, 88, 147, 164, 213, 271, 281, 241, 269, 280, 282, 294], [176, 198, 210, 191, 151, 116, 103, 105, 291, 250, 174, 182, 246, 231, 236, 276, 292, 289, 290], [171, 150, 227, 136, 145, 127, 26, 39, 97, 122, 162, 249, 256, 149, 272, 205, 275, 284, 286], [173, 142, 132, 93, 262, 31, 20, 44, 49, 64, 234, 117, 126, 129, 154, 203, 242, 232, 279], [177, 155, 188, 65, 63, 45, 18, 23, 239, 56, 83, 114, 222, 259, 112, 195, 200, 175, 192], [190, 223, 123, 111, 55, 54, 17, 16, 10, 48, 38, 42, 80, 84, 89, 102, 135, 163, 224], [165, 130, 172, 104, 52, 51, 21, 15, 11, 12, 13, 109, 96, 148, 209, 230, 178, 181, 226], [120, 94, 71, 57, 53, 59, 46, 19, 28, 14, 35, 79, 98, 170, 247, 265, 179, 180, 146], [121, 217, 72, 75, 32, 50, 29, 25, 91, 22, 27, 60, 67, 219, 216, 207, 187, 185, 208], [199, 139, 134, 82, 153, 77, 119, 70, 30, 24, 37, 106, 215, 183, 201, 202, 237, 214, 221], [168, 141, 118, 107, 95, 76, 68, 143, 41, 140, 33, 159, 220, 204, 240, 218, 257, 270, 283], [206, 156, 167, 110, 99, 108, 43, 40, 36, 34, 47, 73, 81, 169, 212, 235, 243, 254, 288], [225, 157, 184, 248, 113, 144, 58, 86, 125, 211, 61, 92, 115, 124, 229, 197, 263, 258, 261], [266, 228, 166, 160, 100, 90, 62, 74, 66, 101, 69, 152, 133, 137, 158, 193, 260, 293, 264]]


Swap: 
[105, 66]


[[245, 251, 253, 278, 196, 252, 87, 85, 131, 138, 161, 233, 238, 287, 268, 273, 274, 277, 285], [189, 244, 255, 267, 194, 186, 128, 78, 88, 147, 164, 213, 271, 281, 241, 269, 280, 282, 294], [176, 198, 210, 191, 151, 116, 103, 66, 291, 250, 174, 182, 246, 231, 236, 276, 292, 289, 290], [171, 150, 227, 136, 145, 127, 26, 39, 97, 122, 162, 249, 256, 149, 272, 205, 275, 284, 286], [173, 142, 132, 93, 262, 31, 20, 44, 49, 64, 234, 117, 126, 129, 154, 203, 242, 232, 279], [177, 155, 188, 65, 63, 45, 18, 23, 239, 56, 83, 114, 222, 259, 112, 195, 200, 175, 192], [190, 223, 123, 111, 55, 54, 17, 16, 10, 48, 38, 42, 80, 84, 89, 102, 135, 163, 224], [165, 130, 172, 104, 52, 51, 21, 15, 11, 12, 13, 109, 96, 148, 209, 230, 178, 181, 226], [120, 94, 71, 57, 53, 59, 46, 19, 28, 14, 35, 79, 98, 170, 247, 265, 179, 180, 146], [121, 217, 72, 75, 32, 50, 29, 25, 91, 22, 27, 60, 67, 219, 216, 207, 187, 185, 208], [199, 139, 134, 82, 153, 77, 119, 70, 30, 24, 37, 106, 215, 183, 201, 202, 237, 214, 221], [168, 141, 118, 107, 95, 76, 68, 143, 41, 140, 33, 159, 220, 204, 240, 218, 257, 270, 283], [206, 156, 167, 110, 99, 108, 43, 40, 36, 34, 47, 73, 81, 169, 212, 235, 243, 254, 288], [225, 157, 184, 248, 113, 144, 58, 86, 125, 211, 61, 92, 115, 124, 229, 197, 263, 258, 261], [266, 228, 166, 160, 100, 90, 62, 74, 105, 101, 69, 152, 133, 137, 158, 193, 260, 293, 264]]


Swap: 
[219, 146]


[[245, 251, 253, 278, 196, 252, 87, 85, 131, 138, 161, 233, 238, 287, 268, 273, 274, 277, 285], [189, 244, 255, 267, 194, 186, 128, 78, 88, 147, 164, 213, 271, 281, 241, 269, 280, 282, 294], [176, 198, 210, 191, 151, 116, 103, 66, 291, 250, 174, 182, 246, 231, 236, 276, 292, 289, 290], [171, 150, 227, 136, 145, 127, 26, 39, 97, 122, 162, 249, 256, 149, 272, 205, 275, 284, 286], [173, 142, 132, 93, 262, 31, 20, 44, 49, 64, 234, 117, 126, 129, 154, 203, 242, 232, 279], [177, 155, 188, 65, 63, 45, 18, 23, 239, 56, 83, 114, 222, 259, 112, 195, 200, 175, 192], [190, 223, 123, 111, 55, 54, 17, 16, 10, 48, 38, 42, 80, 84, 89, 102, 135, 163, 224], [165, 130, 172, 104, 52, 51, 21, 15, 11, 12, 13, 109, 96, 148, 209, 230, 178, 181, 226], [120, 94, 71, 57, 53, 59, 46, 19, 28, 14, 35, 79, 98, 170, 247, 265, 179, 180, 219], [121, 217, 72, 75, 32, 50, 29, 25, 91, 22, 27, 60, 67, 146, 216, 207, 187, 185, 208], [199, 139, 134, 82, 153, 77, 119, 70, 30, 24, 37, 106, 215, 183, 201, 202, 237, 214, 221], [168, 141, 118, 107, 95, 76, 68, 143, 41, 140, 33, 159, 220, 204, 240, 218, 257, 270, 283], [206, 156, 167, 110, 99, 108, 43, 40, 36, 34, 47, 73, 81, 169, 212, 235, 243, 254, 288], [225, 157, 184, 248, 113, 144, 58, 86, 125, 211, 61, 92, 115, 124, 229, 197, 263, 258, 261], [266, 228, 166, 160, 100, 90, 62, 74, 105, 101, 69, 152, 133, 137, 158, 193, 260, 293, 264]]


Swap: 
[140, 32]


[[245, 251, 253, 278, 196, 252, 87, 85, 131, 138, 161, 233, 238, 287, 268, 273, 274, 277, 285], [189, 244, 255, 267, 194, 186, 128, 78, 88, 147, 164, 213, 271, 281, 241, 269, 280, 282, 294], [176, 198, 210, 191, 151, 116, 103, 66, 291, 250, 174, 182, 246, 231, 236, 276, 292, 289, 290], [171, 150, 227, 136, 145, 127, 26, 39, 97, 122, 162, 249, 256, 149, 272, 205, 275, 284, 286], [173, 142, 132, 93, 262, 31, 20, 44, 49, 64, 234, 117, 126, 129, 154, 203, 242, 232, 279], [177, 155, 188, 65, 63, 45, 18, 23, 239, 56, 83, 114, 222, 259, 112, 195, 200, 175, 192], [190, 223, 123, 111, 55, 54, 17, 16, 10, 48, 38, 42, 80, 84, 89, 102, 135, 163, 224], [165, 130, 172, 104, 52, 51, 21, 15, 11, 12, 13, 109, 96, 148, 209, 230, 178, 181, 226], [120, 94, 71, 57, 53, 59, 46, 19, 28, 14, 35, 79, 98, 170, 247, 265, 179, 180, 219], [121, 217, 72, 75, 140, 50, 29, 25, 91, 22, 27, 60, 67, 146, 216, 207, 187, 185, 208], [199, 139, 134, 82, 153, 77, 119, 70, 30, 24, 37, 106, 215, 183, 201, 202, 237, 214, 221], [168, 141, 118, 107, 95, 76, 68, 143, 41, 32, 33, 159, 220, 204, 240, 218, 257, 270, 283], [206, 156, 167, 110, 99, 108, 43, 40, 36, 34, 47, 73, 81, 169, 212, 235, 243, 254, 288], [225, 157, 184, 248, 113, 144, 58, 86, 125, 211, 61, 92, 115, 124, 229, 197, 263, 258, 261], [266, 228, 166, 160, 100, 90, 62, 74, 105, 101, 69, 152, 133, 137, 158, 193, 260, 293, 264]]


To summarize, the swaps are: 
[[259, 138], [130, 120], [283, 233], [181, 163], [246, 158], [252, 169], [223, 203], [100, 68], [56, 19], [256, 63], [289, 202], [255, 115], [141, 51], [277, 171], [124, 20], [72, 10], [105, 66], [219, 146], [140, 32]]