okay i got u, thank u <3
[[7, 4, 1, 8, 3, 2, 9, 5, 6], [5, 9, 3, 7, 6, 1, 8, 2, 4], [6, 8, 2, 9, 5, 4, 7, 1, 3], [3, 2, 5, 6, 8, 9, 4, 7, 1], [8, 6, 7, 4, 1, 3, 2, 9, 5], [4, 1, 9, 2, 7, 5, 6, 3, 8], [2, 3, 4, 1, 9, 6, 5, 8, 7], [1, 7, 6, 5, 2, 8, 3, 4, 9], [9, 5, 8, 3, 4, 7, 1, 6, 2]]
i've chacked this one manually and with online ckacker,it's right solution but test returns False

evary time checking returns different results 99/106, 105/106, 101/106...
im almost sure that my code is 100% correct, can u fix this issue