n: 40 m: 403 packed: 13 density: 0 nodes: 0 solveTime: 8540 buildTime: 100 solved: true
{0,4,9}
{1,6,36}
{2,5,23}
{3,7,11}
{8,15,28}
{10,16,29}
{12,33,35}
{13,14,20}
{17,26,27}
{18,31,39}
{19,25,38}
{21,22,30}
{24,32,37}