C312312111111331312111133133313331333133322331333133311221123121   >>    C31231211111133131211113313331333133313332233133313331122112312   <<    C312312111111331312111133133313331333133322331333133311221123123   >>      C312312111111331312111133133313331333133322331333133311221123122   >>