C11112331312111112111133133313331333133313223223313331313331322113323321   >>    C1111233131211111211113313331333133313331322322331333131333132211332332   <<    C11112331312111112111133133313331333133313223223313331313331322113323323   >>      C11112331312111112111133133313331333133313223223313331313331322113323322   >>