C312312111111331312111133133313331333133322331333133313332233313113231   >>    C31231211111133131211113313331333133313332233133313331333223331311323   <<    C312312111111331312111133133313331333133322331333133313332233313113233   >>      C312312111111331312111133133313331333133322331333133313332233313113232   >>