C q v

C q vC q vC q vC q vC q vC q v
C q vC q vC q vC q vC q vC q v
C q vC q vC q vC q vC q vC q vC q vC q vC q vC q vC q vC q vC q vC q vC q vC q vC q vC q vC q vC q vC q vC q vC q v