n: 40 m: 277 packed: 13 density: 0 nodes: 0 solveTime: 3540 buildTime: 40 solved: true
{0,14,30}
{1,22,23}
{2,18,39}
{3,20,28}
{4,25,32}
{5,21,34}
{6,24,27}
{7,8,15}
{9,11,13}
{10,31,35}
{12,16,19}
{17,33,38}
{26,29,36}