n: 40 m: 595 packed: 13 density: 0 nodes: 0 solveTime: 47860 buildTime: 210 solved: true
{0,25,26}
{1,2,3}
{4,7,27}
{5,9,11}
{6,14,15}
{8,10,36}
{12,30,33}
{13,17,24}
{16,23,35}
{18,29,39}
{19,22,38}
{20,32,34}
{21,28,31}