n: 40 m: 585 packed: 13 density: 0 nodes: 0 solveTime: 20890 buildTime: 200 solved: true
{0,6,11}
{1,7,12}
{2,3,9}
{4,5,39}
{10,25,32}
{13,20,24}
{14,18,23}
{15,17,29}
{16,31,36}
{19,22,34}
{21,26,38}
{27,35,37}
{28,30,33}