n: 40 m: 421 packed: 13 density: 0 nodes: 0 solveTime: 11270 buildTime: 110 solved: true
{0,28,32}
{1,4,15}
{2,3,10}
{6,18,26}
{7,30,36}
{8,13,21}
{9,17,31}
{11,12,14}
{16,19,34}
{20,25,39}
{22,24,37}
{23,27,29}
{33,35,38}