n: 40 m: 372 packed: 13 density: 0 nodes: 0 solveTime: 7780 buildTime: 80 solved: true
{0,17,33}
{1,16,26}
{2,27,29}
{3,22,25}
{4,18,20}
{5,6,8}
{7,11,38}
{9,13,14}
{10,15,32}
{12,19,23}
{21,30,36}
{28,31,39}
{34,35,37}