C11112331312111112111133132313331333133313232213231323131133133313232223331   >>    C1111233131211111211113313231333133313331323221323132313113313331323222333   <<    C11112331312111112111133132313331333133313232213231323131133133313232223333   >>      C11112331312111112111133132313331333133313232213231323131133133313232223332   >>