[[11, 12, 13, 14, 15, 16, 17, 18], [21, 22, 23, 24, 25, 26, 27, 28], [31, 32, 33, 34, 35, 36, 37, 38], [41, 42, 43, 44, 45, 46, 47, 48], [51, 52, 53, 54, 55, 56, 57, 58], [61, 62, 63, 64, 65, 66, 67, 68]]
[[11, 12, 13, 14, 15, 16, 17, 18], [51, 52, 53, 54, 55, 56, 57, 58], [31, 32, 33, 34, 35, 36, 37, 38], [41, 42, 43, 44, 45, 46, 47, 48], [21, 22, 23, 24, 25, 26, 27, 28], [61, 62, 63, 64, 65, 66, 67, 68]]