n: 40 m: 234 packed: 13 density: 0 nodes: 0 solveTime: 1030 buildTime: 40 solved: true
{0,36,37}
{1,11,39}
{2,26,33}
{3,19,31}
{4,6,17}
{5,10,23}
{7,30,35}
{8,18,20}
{9,16,24}
{12,21,28}
{13,15,27}
{22,25,29}
{32,34,38}