GULFSTREAM 4/9

[Pecci]

1:2::3::1:
2:4::7::6::5:
3:1::7::6:
4:1::6::7:
5:4::1::5::9:
6:2::4::3::6:
7:2::8::4::6::1:
8:1::2::4:
9:4::5::7::6:
10:3::4::2::9: