n: 40 m: 231 packed: 13 density: 0 nodes: 0 solveTime: 1800 buildTime: 30 solved: true
{0,11,29}
{1,7,15}
{2,12,38}
{3,18,34}
{4,10,30}
{5,13,17}
{6,26,35}
{8,36,37}
{9,14,22}
{16,24,33}
{20,25,31}
{21,32,39}
{23,27,28}