n: 40 m: 333 packed: 13 density: 0 nodes: 0 solveTime: 6200 buildTime: 60 solved: true
{0,12,14}
{1,28,32}
{2,19,33}
{3,13,15}
{4,17,20}
{5,7,21}
{6,30,39}
{8,18,36}
{9,11,37}
{10,29,38}
{16,23,26}
{22,24,27}
{25,31,35}