n: 40 m: 375 packed: 13 density: 0 nodes: 0 solveTime: 3320 buildTime: 90 solved: true
{0,6,32}
{1,5,8}
{2,9,22}
{3,7,27}
{4,11,31}
{10,37,38}
{12,17,39}
{13,20,29}
{14,15,21}
{16,34,35}
{18,25,33}
{19,24,28}
{26,30,36}