n: 40 m: 329 packed: 13 density: 0 nodes: 0 solveTime: 2620 buildTime: 60 solved: true
{0,5,27}
{1,15,36}
{2,13,26}
{3,4,7}
{6,34,35}
{8,10,20}
{11,24,29}
{12,25,31}
{14,28,39}
{16,17,18}
{19,23,33}
{21,30,38}
{22,32,37}