n: 40 m: 231 packed: 13 density: 0 nodes: 0 solveTime: 1260 buildTime: 40 solved: true
{0,16,31}
{1,17,19}
{2,13,29}
{3,14,32}
{4,5,28}
{6,10,35}
{7,24,36}
{8,9,12}
{11,22,33}
{15,37,39}
{18,34,38}
{20,23,27}
{25,26,30}