n: 40 m: 241 packed: 13 density: 0 nodes: 0 solveTime: 1220 buildTime: 30 solved: true
{0,14,35}
{1,20,23}
{2,26,37}
{3,17,30}
{4,13,39}
{5,16,27}
{6,7,8}
{10,24,28}
{11,29,36}
{12,25,33}
{15,22,31}
{18,21,34}
{19,32,38}