n: 40 m: 258 packed: 13 density: 0 nodes: 0 solveTime: 810 buildTime: 40 solved: true
{0,4,27}
{1,20,33}
{2,36,39}
{3,12,14}
{5,22,26}
{6,32,35}
{7,18,38}
{8,25,34}
{10,24,29}
{11,19,23}
{13,28,30}
{15,16,21}
{17,31,37}