n: 40 m: 137 packed: 13 density: 0 nodes: 0 solveTime: 570 buildTime: 10 solved: true
{0,12,19}
{1,5,36}
{2,23,30}
{3,10,18}
{4,21,29}
{6,22,37}
{7,16,31}
{8,13,38}
{9,26,39}
{11,24,33}
{15,25,28}
{17,20,27}
{32,34,35}