n: 40 m: 173 packed: 13 density: 0 nodes: 0 solveTime: 600 buildTime: 20 solved: true
{0,28,37}
{1,15,27}
{2,8,26}
{3,10,30}
{4,14,25}
{5,18,34}
{6,23,36}
{7,9,22}
{12,17,20}
{13,16,21}
{19,24,33}
{29,31,38}
{32,35,39}