C312312111111331312111133133313331322331312111112111133133323232133313233111   >>    C31231211111133131211113313331333132233131211111211113313332323213331323311   <<    C312312111111331312111133133313331322331312111112111133133323232133313233113   >>      C312312111111331312111133133313331322331312111112111133133323232133313233112   >>