n: 40 m: 498 packed: 13 density: 0 nodes: 0 solveTime: 6210 buildTime: 140 solved: true
{0,5,7}
{1,4,38}
{2,3,35}
{6,14,19}
{8,33,34}
{9,28,31}
{10,11,20}
{12,18,23}
{13,22,25}
{15,30,37}
{16,27,32}
{17,26,36}
{21,24,29}