n: 40 m: 219 packed: 13 density: 0 nodes: 0 solveTime: 580 buildTime: 30 solved: true
{0,24,39}
{1,19,38}
{2,26,30}
{3,6,8}
{4,25,28}
{5,22,23}
{7,32,37}
{9,31,36}
{10,11,18}
{12,17,33}
{13,20,29}
{14,21,27}
{15,16,35}