C11112331312111112111133133313331333133313132211312111133221323323231   >>    C1111233131211111211113313331333133313331313221131211113322132332323   <<    C11112331312111112111133133313331333133313132211312111133221323323233   >>      C11112331312111112111133133313331333133313132211312111133221323323232   >>