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