n: 40 m: 311 packed: 13 density: 0 nodes: 0 solveTime: 1710 buildTime: 60 solved: true
{0,24,28}
{1,14,22}
{3,15,38}
{4,8,31}
{5,25,30}
{6,7,12}
{9,33,36}
{10,21,39}
{11,34,37}
{13,17,26}
{16,19,27}
{18,20,35}
{23,29,32}