n: 40 m: 279 packed: 13 density: 0 nodes: 0 solveTime: 2500 buildTime: 40 solved: true
{0,12,17}
{1,24,25}
{2,7,23}
{3,22,35}
{4,15,39}
{5,13,19}
{6,11,21}
{8,14,29}
{9,33,34}
{10,16,31}
{18,27,32}
{20,26,36}
{28,30,37}