n: 40 m: 280 packed: 13 density: 0 nodes: 0 solveTime: 1770 buildTime: 50 solved: true
{0,6,8}
{1,7,37}
{2,11,22}
{3,9,30}
{4,26,32}
{10,14,18}
{12,15,34}
{13,25,39}
{16,20,38}
{17,19,29}
{21,23,27}
{24,31,33}
{28,35,36}