n: 40 m: 219 packed: 13 density: 0 nodes: 0 solveTime: 1140 buildTime: 30 solved: true
{0,11,12}
{1,15,31}
{2,8,18}
{3,22,37}
{4,6,36}
{5,19,39}
{7,28,34}
{9,30,32}
{10,35,38}
{13,17,25}
{14,24,26}
{16,21,29}
{20,23,27}