n: 40 m: 443 packed: 13 density: 0 nodes: 0 solveTime: 62730 buildTime: 110 solved: true
{0,12,19}
{1,22,35}
{2,4,10}
{3,15,33}
{5,11,31}
{6,18,26}
{7,28,36}
{8,9,20}
{13,14,24}
{16,25,34}
{17,32,39}
{23,27,30}
{29,37,38}