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