C3132121111133313233121111331333133313331333133313331333133313232212312111   >>    C313212111113331323312111133133313331333133313331333133313331323221231211   <<    C3132121111133313233121111331333133313331333133313331333133313232212312113   >>      C3132121111133313233121111331333133313331333133313331333133313232212312112   >>