n: 40 m: 530 packed: 13 density: 0 nodes: 0 solveTime: 16210 buildTime: 160 solved: true
{0,29,37}
{1,19,27}
{2,14,28}
{3,8,10}
{4,13,39}
{5,6,7}
{9,11,21}
{12,16,35}
{15,33,38}
{17,24,31}
{18,20,32}
{22,30,36}
{23,26,34}