C1111121111331311211331333133313231333132213233313331333131133132332322121   >>    C111112111133131121133133313331323133313221323331333133313113313233232212   <<    C1111121111331311211331333133313231333132213233313331333131133132332322123   >>      C1111121111331311211331333133313231333132213233313331333131133132332322122   >>