n: 40 m: 306 packed: 13 density: 0 nodes: 0 solveTime: 4490 buildTime: 60 solved: true
{0,30,38}
{1,29,37}
{2,16,31}
{3,18,36}
{4,7,39}
{5,11,34}
{6,13,25}
{8,12,23}
{9,17,24}
{10,15,21}
{14,33,35}
{19,22,27}
{26,28,32}