n: 40 m: 147 packed: 13 density: 0 nodes: 0 solveTime: 1500 buildTime: 10 solved: true
{0,31,36}
{1,11,37}
{2,19,38}
{3,8,26}
{4,12,28}
{5,15,35}
{6,22,39}
{7,20,33}
{9,13,29}
{10,14,16}
{17,21,27}
{18,24,30}
{23,32,34}