n: 40 m: 226 packed: 13 density: 0 nodes: 0 solveTime: 690 buildTime: 30 solved: true
{0,15,35}
{1,8,9}
{2,12,33}
{3,11,32}
{4,10,28}
{5,13,34}
{6,17,23}
{7,18,19}
{14,25,29}
{16,26,38}
{20,24,31}
{21,27,39}
{30,36,37}