n: 40 m: 142 packed: 13 density: 0 nodes: 0 solveTime: 1080 buildTime: 10 solved: true
{0,15,24}
{1,11,32}
{2,23,36}
{3,16,26}
{4,13,30}
{5,28,33}
{6,9,10}
{7,27,34}
{8,37,38}
{12,21,25}
{14,17,20}
{19,22,39}
{29,31,35}