C1111121111331311211331333133313231333132213233313331333131111212111   >>    C111112111133131121133133313331323133313221323331333133313111121211   <<    C1111121111331311211331333133313231333132213233313331333131111212113   >>      C1111121111331311211331333133313231333132213233313331333131111212112   >>