n: 40 m: 404 packed: 13 density: 0 nodes: 0 solveTime: 7020 buildTime: 90 solved: true
{0,1,20}
{2,3,28}
{4,14,18}
{5,26,32}
{6,22,30}
{7,27,31}
{8,17,33}
{9,23,37}
{10,25,29}
{11,21,35}
{12,13,34}
{15,24,36}
{16,19,38}