n: 40 m: 351 packed: 13 density: 0 nodes: 0 solveTime: 5690 buildTime: 70 solved: true
{0,8,9}
{1,4,32}
{2,3,19}
{5,36,37}
{6,7,17}
{11,23,35}
{12,13,25}
{14,26,29}
{15,18,31}
{16,21,38}
{20,22,39}
{24,27,30}
{28,33,34}