n: 40 m: 327 packed: 13 density: 0 nodes: 0 solveTime: 2110 buildTime: 60 solved: true
{0,22,31}
{1,2,11}
{3,15,18}
{4,7,35}
{5,6,13}
{8,16,23}
{9,26,29}
{10,19,25}
{12,24,30}
{14,21,27}
{17,20,33}
{28,32,38}
{34,36,39}