n: 40 m: 630 packed: 13 density: 0 nodes: 0 solveTime: 43740 buildTime: 240 solved: true
{0,13,14}
{1,3,15}
{2,4,28}
{5,38,39}
{6,7,8}
{9,10,36}
{11,26,32}
{16,17,19}
{18,21,34}
{20,24,29}
{22,23,31}
{25,35,37}
{27,30,33}