7,4,6,2,1,5,9,3,8,4,6,9,1,5,2,3,8,7,5,2,1,3,9,7,8,4,6,9,3,2,8,7,1,4,6,5,1,8,7,6,4,3,2,5,9,8,9,3,4,2,6,5,7,1,2,1,8,5,6,4,7,9,3,3,5,4,7,8,9,6,1,2,6,7,5,9,3,8,1,2,4