5 5 #item 0 0 0 0 1 1 0 1 1 #item 1 0 0 0 1 2 2 1 2 0 2 #item 2 0 0 1 0 2 0 3 0 4 0 #item 3 1 0 0 3 0 2 0 1 0 0 #item 4 0 0 0 1 1 1 2 1 #item 5 1 0 0 0