n: 40 m: 484 packed: 13 density: 0 nodes: 0 solveTime: 26040 buildTime: 140 solved: true
{0,15,26}
{1,11,25}
{2,8,24}
{3,21,32}
{4,5,9}
{6,10,16}
{12,27,39}
{13,14,22}
{17,28,30}
{18,29,35}
{19,20,31}
{23,33,36}
{34,37,38}