n: 40 m: 173 packed: 13 density: 0 nodes: 0 solveTime: 10200 buildTime: 20 solved: true
{0,25,35}
{1,10,38}
{2,11,22}
{3,12,19}
{4,6,8}
{5,7,39}
{9,28,29}
{13,24,34}
{14,21,27}
{15,31,37}
{16,18,30}
{17,32,33}
{20,26,36}