n: 40 m: 232 packed: 13 density: 0 nodes: 0 solveTime: 1800 buildTime: 40 solved: true
{0,7,15}
{1,6,37}
{2,23,35}
{3,21,22}
{4,8,9}
{5,10,36}
{11,31,33}
{12,26,34}
{13,24,29}
{14,28,38}
{16,25,39}
{17,18,19}
{27,30,32}