C11112331312111112111133133313331333133313331333133313231333131133131323131   >>    C1111233131211111211113313331333133313331333133313331323133313113313132313   <<    C11112331312111112111133133313331333133313331333133313231333131133131323133   >>      C11112331312111112111133133313331333133313331333133313231333131133131323132   >>