n: 40 m: 659 packed: 13 density: 0 nodes: 0 solveTime: 53130 buildTime: 250 solved: true
{0,32,37}
{1,3,10}
{2,28,34}
{4,14,18}
{5,9,20}
{6,11,12}
{8,31,35}
{13,36,38}
{15,17,39}
{16,22,26}
{19,23,33}
{21,27,29}
{24,25,30}