n: 40 m: 230 packed: 13 density: 0 nodes: 0 solveTime: 890 buildTime: 40 solved: true
{0,28,39}
{1,32,35}
{2,30,34}
{3,10,15}
{4,22,25}
{5,6,29}
{7,8,24}
{9,17,26}
{11,18,21}
{13,20,36}
{14,23,27}
{16,31,33}
{19,37,38}