A 0 b 1 f

A 0 b 1 fA 0 b 1 fA 0 b 1 fA 0 b 1 fA 0 b 1 fA 0 b 1 f
A 0 b 1 fA 0 b 1 fA 0 b 1 fA 0 b 1 fA 0 b 1 fA 0 b 1 f
A 0 b 1 fA 0 b 1 fA 0 b 1 fA 0 b 1 fA 0 b 1 fA 0 b 1 fA 0 b 1 fA 0 b 1 fA 0 b 1 fA 0 b 1 fA 0 b 1 fA 0 b 1 fA 0 b 1 fA 0 b 1 f