n: 40 m: 229 packed: 13 density: 0 nodes: 0 solveTime: 370 buildTime: 30 solved: true
{0,7,8}
{1,28,35}
{2,10,38}
{3,13,14}
{4,9,11}
{5,6,18}
{12,23,31}
{15,22,27}
{16,36,39}
{17,33,37}
{20,29,34}
{21,24,25}
{26,30,32}