n: 40 m: 541 packed: 13 density: 0 nodes: 0 solveTime: 29880 buildTime: 170 solved: true
{0,7,10}
{1,22,24}
{2,14,33}
{3,5,8}
{4,9,21}
{11,26,37}
{12,13,36}
{15,29,39}
{16,23,38}
{17,28,35}
{18,20,27}
{19,30,34}
{25,31,32}