line 03-nw
line 3
line 03-se
line 05-nw
line 5
line 05-se
line 08-nw
line 8
line 08-se
line 11-nw
line 11
line 11-se
line 13-ne
line 13
line 13-sw
line 15-ne
line 15
line 15-sw
line 17-ne
line 17
line 17-sw
line 01-nw
line 1
line 01-se
line 02-nw
line 2
line 02-se
line 04-nw
line 4
line 04-se
line 06-nw
line 6
line 07-nw
line 7
line 09-nw
line 9
line 10-nw
line 10
line 12-nw
line 12
line 06-se
line 07-se
line 09-se
line 10-se
line 12-se
line 14-ne
line 14
line 16-ne
line 16
line 14-sw
line 16-sw