n: 40 m: 359 packed: 13 density: 0 nodes: 0 solveTime: 7730 buildTime: 80 solved: true
{0,5,7}
{1,6,33}
{2,10,18}
{3,8,9}
{4,16,20}
{11,15,37}
{12,21,32}
{13,24,38}
{14,30,34}
{17,19,26}
{22,23,29}
{25,27,31}
{35,36,39}