n: 40 m: 240 packed: 13 density: 0 nodes: 0 solveTime: 1270 buildTime: 30 solved: true
{0,28,32}
{1,25,33}
{2,21,27}
{3,18,31}
{4,6,34}
{5,9,11}
{7,20,29}
{8,14,36}
{12,16,35}
{13,17,38}
{15,19,37}
{22,24,30}
{23,26,39}