n: 40 m: 345 packed: 13 density: 0 nodes: 0 solveTime: 4700 buildTime: 70 solved: true
{0,25,27}
{1,29,35}
{2,34,37}
{3,8,20}
{4,10,17}
{5,19,33}
{6,13,26}
{7,12,28}
{9,14,18}
{11,15,21}
{16,23,38}
{22,30,32}
{31,36,39}