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