n: 40 m: 342 packed: 13 density: 0 nodes: 0 solveTime: 3380 buildTime: 70 solved: true
{0,15,30}
{1,27,29}
{2,5,23}
{3,4,16}
{6,34,37}
{8,19,39}
{9,20,33}
{10,21,35}
{11,28,31}
{12,17,32}
{13,18,36}
{14,22,26}
{24,25,38}