n: 40 m: 223 packed: 13 density: 0 nodes: 0 solveTime: 2260 buildTime: 30 solved: true
{0,12,14}
{1,5,11}
{2,6,30}
{3,4,25}
{7,33,35}
{8,26,37}
{9,23,36}
{10,22,27}
{13,38,39}
{15,18,21}
{16,20,29}
{17,19,32}
{24,28,34}