n: 40 m: 426 packed: 13 density: 0 nodes: 0 solveTime: 15500 buildTime: 110 solved: true
{0,5,13}
{2,32,35}
{3,6,12}
{4,31,34}
{7,26,39}
{8,18,19}
{9,21,29}
{10,20,30}
{11,22,23}
{14,33,37}
{15,28,38}
{16,24,36}
{17,25,27}