n: 40 m: 587 packed: 13 density: 0 nodes: 0 solveTime: 19660 buildTime: 200 solved: true
{0,2,6}
{1,4,5}
{3,8,15}
{7,9,35}
{10,11,29}
{12,17,32}
{13,18,25}
{14,23,24}
{16,19,38}
{20,31,34}
{21,22,28}
{27,30,37}
{33,36,39}