C11112331312111112111133133313331333133313331333133313223313331323131133112131   >>    C1111233131211111211113313331333133313331333133313331322331333132313113311213   <<    C11112331312111112111133133313331333133313331333133313223313331323131133112133   >>      C11112331312111112111133133313331333133313331333133313223313331323131133112132   >>