n: 40 m: 460 packed: 13 density: 0 nodes: 0 solveTime: 10490 buildTime: 120 solved: true
{0,28,38}
{1,25,37}
{2,14,36}
{3,15,27}
{4,9,24}
{5,13,23}
{6,33,35}
{7,8,31}
{10,12,34}
{11,21,39}
{16,29,30}
{17,19,20}
{22,26,32}