n: 40 m: 218 packed: 13 density: 0 nodes: 0 solveTime: 2920 buildTime: 30 solved: true
{0,10,29}
{1,20,21}
{2,24,32}
{3,23,28}
{4,6,36}
{5,12,15}
{7,13,14}
{8,18,37}
{9,19,33}
{11,25,27}
{16,30,39}
{17,22,38}
{26,31,35}