n: 40 m: 362 packed: 13 density: 0 nodes: 0 solveTime: 5220 buildTime: 80 solved: true
{0,16,20}
{1,6,18}
{2,8,26}
{3,7,36}
{4,11,33}
{5,34,39}
{9,22,23}
{10,17,19}
{12,15,35}
{13,28,37}
{14,25,32}
{21,27,31}
{24,29,30}