n: 40 m: 162 packed: 13 density: 0 nodes: 0 solveTime: 530 buildTime: 10 solved: true
{0,3,28}
{1,9,13}
{2,29,33}
{4,27,35}
{5,7,8}
{6,10,34}
{11,14,39}
{12,25,37}
{15,19,31}
{16,24,32}
{17,20,26}
{18,22,36}
{23,30,38}