n: 40 m: 339 packed: 13 density: 0 nodes: 0 solveTime: 3170 buildTime: 60 solved: true
{0,12,17}
{1,8,21}
{2,19,24}
{3,6,10}
{4,18,36}
{5,7,29}
{9,11,39}
{13,14,34}
{15,22,30}
{16,27,35}
{20,26,37}
{23,33,38}
{28,31,32}