s_2144 (968B)
1 2 3 4 5 6 7 _ ____-----_O___ 8 (_)====[ ]====== 9 ~~~~-----~~~~~ 10 ^ ^ ^ 11 12 13 14 __________________________ 15 _ |-------------------------- 16 _|__ I | o o o o 17 \ .I. | 18 O O |-. |I| o o o | __ 19 _____|_|____/[_]\_______|_|_|___________|__|__|____________________