n: 40 m: 225 packed: 13 density: 0 nodes: 0 solveTime: 1250 buildTime: 30 solved: true
{0,29,30}
{1,18,24}
{2,3,37}
{4,19,39}
{5,7,13}
{6,20,28}
{9,33,38}
{10,11,34}
{12,14,25}
{15,26,31}
{16,27,36}
{17,22,32}
{21,23,35}