n: 40 m: 346 packed: 13 density: 0 nodes: 0 solveTime: 4810 buildTime: 70 solved: true
{0,3,6}
{1,2,11}
{4,9,10}
{5,18,32}
{7,27,30}
{8,12,19}
{13,21,36}
{14,31,37}
{15,24,26}
{16,33,38}
{17,29,39}
{20,25,35}
{23,28,34}