n: 40 m: 296 packed: 13 density: 0 nodes: 0 solveTime: 3110 buildTime: 50 solved: true
{0,23,31}
{1,17,19}
{2,7,12}
{3,26,36}
{4,33,39}
{5,8,24}
{6,29,35}
{9,14,38}
{10,15,25}
{11,16,27}
{13,18,37}
{20,21,22}
{30,32,34}