n: 40 m: 647 packed: 13 density: 0 nodes: 0 solveTime: 35320 buildTime: 250 solved: true
{0,6,32}
{1,36,37}
{2,3,4}
{5,7,8}
{10,38,39}
{11,27,33}
{12,16,31}
{13,23,28}
{14,24,30}
{15,18,19}
{17,25,35}
{20,21,29}
{22,26,34}