C11112331312111112111133133313331333133313223223313121111111133321   >>    C1111233131211111211113313331333133313331322322331312111111113332   <<    C11112331312111112111133133313331333133313223223313121111111133323   >>      C11112331312111112111133133313331333133313223223313121111111133322   >>