n: 40 m: 451 packed: 13 density: 0 nodes: 0 solveTime: 16480 buildTime: 120 solved: true
{0,8,24}
{1,29,36}
{2,12,22}
{3,27,31}
{4,11,28}
{5,7,14}
{9,10,18}
{13,25,33}
{15,20,32}
{16,34,35}
{17,26,38}
{19,21,37}
{23,30,39}