n: 40 m: 502 packed: 13 density: 0 nodes: 0 solveTime: 24650 buildTime: 140 solved: true
{0,23,26}
{1,5,6}
{2,10,32}
{3,13,34}
{7,30,33}
{8,16,20}
{9,17,39}
{11,21,29}
{12,14,15}
{18,24,25}
{19,31,36}
{22,37,38}
{27,28,35}