n: 40 m: 294 packed: 13 density: 0 nodes: 0 solveTime: 7780 buildTime: 50 solved: true
{0,2,21}
{1,11,29}
{3,16,23}
{5,12,36}
{6,31,32}
{7,13,26}
{8,20,22}
{9,24,34}
{10,15,27}
{14,30,39}
{17,19,38}
{18,25,37}
{28,33,35}