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