n: 40 m: 207 packed: 13 density: 0 nodes: 0 solveTime: 1520 buildTime: 30 solved: true
{0,12,31}
{1,4,8}
{2,3,14}
{5,15,22}
{6,29,36}
{7,9,11}
{10,18,23}
{13,25,30}
{16,32,34}
{19,20,28}
{21,35,38}
{24,27,33}
{26,37,39}