n: 40 m: 159 packed: 13 density: 0 nodes: 0 solveTime: 350 buildTime: 20 solved: true
{0,23,30}
{1,14,33}
{2,20,34}
{3,11,35}
{4,28,29}
{5,10,39}
{6,13,19}
{7,12,21}
{8,22,31}
{9,17,37}
{15,18,32}
{16,25,26}
{24,27,38}