/* dot -Tpng grid.dot > grid.png */
graph {
 "0,0" -- "0,1" [label=6];
 "0,0" -- "1,0" [label=5];
 "0,1" -- "0,2" [label=5];
 "0,1" -- "1,1" [label=7];
 "1,0" -- "1,1" [label=7];
 "1,0" -- "2,0" [label=7];
 "0,2" -- "0,3" [label=7];
 "0,2" -- "1,2" [label=7];
 "1,1" -- "1,2" [label=5];
 "1,1" -- "2,1" [label=6];
 "0,3" -- "0,4" [label=5];
 "0,3" -- "1,3" [label=5];
 "1,2" -- "1,3" [label=6];
 "1,2" -- "2,2" [label=6];
 "0,4" -- "0,5" [label=7];
 "0,4" -- "1,4" [label=6];
 "1,3" -- "1,4" [label=6];
 "1,3" -- "2,3" [label=5];
 "0,5" -- "0,6" [label=5];
 "0,5" -- "1,5" [label=5];
 "1,4" -- "1,5" [label=7];
 "0,6" -- "0,7" [label=5];
 "0,6" -- "1,6" [label=7];
 "1,5" -- "1,6" [label=6];
 "0,7" -- "0,8" [label=6];
 "0,7" -- "1,7" [label=7];
 "1,6" -- "1,7" [label=7];
 "0,8" -- "0,9" [label=7];
 "0,8" -- "1,8" [label=5];
 "1,7" -- "1,8" [label=5];
 "1,7" -- "2,7" [label=6];
 "0,9" -- "1,9" [label=6];
 "1,8" -- "1,9" [label=7];
 "1,8" -- "2,8" [label=7];
 "0,10" -- "0,9" [label=5];
 "0,10" -- "1,10" [label=6];
 "1,9" -- "2,9" [label=5];
 "1,10" -- "1,9" [label=5];
 "1,10" -- "2,10" [label=5];
 "2,0" -- "2,1" [label=5];
 "2,0" -- "3,0" [label=5];
 "2,1" -- "2,2" [label=5];
 "2,1" -- "3,1" [label=6];
 "2,2" -- "2,3" [label=5];
 "2,2" -- "3,2" [label=5];
 "2,3" -- "3,3" [label=7];
 "2,7" -- "2,8" [label=6];
 "2,7" -- "3,7" [label=6];
 "2,8" -- "2,9" [label=7];
 "2,8" -- "3,8" [label=5];
 "2,9" -- "3,9" [label=5];
 "2,10" -- "2,9" [label=6];
 "2,10" -- "3,10" [label=7];
 "3,0" -- "3,1" [label=7];
 "3,0" -- "4,0" [label=6];
 "3,1" -- "3,2" [label=7];
 "3,1" -- "4,1" [label=5];
 "3,2" -- "3,3" [label=6];
 "3,2" -- "4,2" [label=6];
 "3,3" -- "4,3" [label=6];
 "3,7" -- "3,8" [label=6];
 "3,7" -- "4,7" [label=7];
 "3,8" -- "3,9" [label=5];
 "3,8" -- "4,8" [label=7];
 "3,9" -- "4,9" [label=6];
 "3,10" -- "3,9" [label=6];
 "3,10" -- "4,10" [label=6];
 "4,0" -- "4,1" [label=5];
 "4,0" -- "5,0" [label=5];
 "4,1" -- "4,2" [label=5];
 "4,1" -- "5,1" [label=5];
 "4,2" -- "4,3" [label=7];
 "4,2" -- "5,2" [label=5];
 "4,3" -- "5,3" [label=5];
 "4,7" -- "4,8" [label=7];
 "4,7" -- "5,7" [label=6];
 "4,8" -- "4,9" [label=7];
 "4,8" -- "5,8" [label=5];
 "4,9" -- "5,9" [label=5];
 "4,10" -- "4,9" [label=6];
 "4,10" -- "5,10" [label=6];
 "5,0" -- "5,1" [label=6];
 "5,0" -- "6,0" [label=6, penwidth=3];
 "5,1" -- "5,2" [label=7];
 "5,1" -- "6,1" [label=7];
 "5,2" -- "5,3" [label=5];
 "5,2" -- "6,2" [label=6];
 "5,3" -- "6,3" [label=6];
 "5,7" -- "5,8" [label=6];
 "5,7" -- "6,7" [label=5];
 "5,8" -- "5,9" [label=7];
 "5,8" -- "6,8" [label=6];
 "5,9" -- "6,9" [label=5, penwidth=3];
 "5,10" -- "5,9" [label=7, penwidth=3];
 "5,10" -- "6,10" [label=7];
 "6,0" -- "6,1" [label=5, penwidth=3];
 "6,0" -- "7,0" [label=7];
 "6,1" -- "6,2" [label=6];
 "6,1" -- "7,1" [label=5, penwidth=3];
 "6,2" -- "6,3" [label=5];
 "6,2" -- "7,2" [label=7];
 "6,3" -- "7,3" [label=7];
 "6,7" -- "6,8" [label=7];
 "6,7" -- "7,7" [label=6];
 "6,8" -- "6,9" [label=5, penwidth=3];
 "6,8" -- "7,8" [label=5, penwidth=3];
 "6,9" -- "7,9" [label=7];
 "6,10" -- "6,9" [label=7];
 "6,10" -- "7,10" [label=7];
 "7,0" -- "7,1" [label=5];
 "7,0" -- "8,0" [label=5];
 "7,1" -- "7,2" [label=5];
 "7,1" -- "8,1" [label=5, penwidth=3];
 "7,2" -- "7,3" [label=6];
 "7,2" -- "8,2" [label=7];
 "7,3" -- "8,3" [label=6];
 "7,7" -- "7,8" [label=5, penwidth=3];
 "7,7" -- "8,7" [label=6, penwidth=3];
 "7,8" -- "7,9" [label=5];
 "7,8" -- "8,8" [label=7];
 "7,9" -- "8,9" [label=6];
 "7,10" -- "7,9" [label=5];
 "7,10" -- "8,10" [label=6];
 "8,0" -- "8,1" [label=7];
 "8,0" -- "9,0" [label=6];
 "8,1" -- "8,2" [label=6, penwidth=3];
 "8,1" -- "9,1" [label=7];
 "8,2" -- "8,3" [label=5, penwidth=3];
 "8,2" -- "9,2" [label=6];
 "8,3" -- "8,4" [label=7, penwidth=3];
 "8,3" -- "9,3" [label=7];
 "8,7" -- "8,8" [label=6];
 "8,7" -- "9,7" [label=7];
 "8,8" -- "8,9" [label=5];
 "8,8" -- "9,8" [label=6];
 "8,9" -- "9,9" [label=5];
 "8,10" -- "8,9" [label=5];
 "8,10" -- "9,10" [label=5];
 "9,0" -- "9,1" [label=5];
 "9,1" -- "9,2" [label=5];
 "9,2" -- "9,3" [label=5];
 "8,4" -- "8,5" [label=5, penwidth=3];
 "8,4" -- "9,4" [label=6];
 "9,3" -- "9,4" [label=6];
 "8,5" -- "8,6" [label=5, penwidth=3];
 "8,5" -- "9,5" [label=6];
 "9,4" -- "9,5" [label=6];
 "8,6" -- "8,7" [label=7, penwidth=3];
 "8,6" -- "9,6" [label=7];
 "9,5" -- "9,6" [label=5];
 "9,6" -- "9,7" [label=7];
 "9,7" -- "9,8" [label=5];
 "9,8" -- "9,9" [label=6];
 "9,10" -- "9,9" [label=6];
 "10,0" -- "9,0" [label=6];
 "10,0" -- "10,1" [label=5];
 "10,1" -- "9,1" [label=5];
 "10,1" -- "10,2" [label=6];
 "10,2" -- "9,2" [label=6];
 "10,2" -- "10,3" [label=6];
 "10,3" -- "9,3" [label=6];
 "10,3" -- "10,4" [label=7];
 "10,4" -- "9,4" [label=5];
 "10,4" -- "10,5" [label=7];
 "10,5" -- "9,5" [label=6];
 "10,5" -- "10,6" [label=6];
 "10,6" -- "9,6" [label=5];
 "10,6" -- "10,7" [label=7];
 "10,7" -- "9,7" [label=7];
 "10,7" -- "10,8" [label=6];
 "10,8" -- "9,8" [label=7];
 "10,8" -- "10,9" [label=6];
 "10,9" -- "9,9" [label=5];
 "10,10" -- "9,10" [label=5];
 "10,10" -- "10,9" [label=6];
}