C11231323321111331312111133133313331323223313231333131133132311211331333132331   >>    C1123132332111133131211113313331333132322331323133313113313231121133133313233   <<    C11231323321111331312111133133313331323223313231333131133132311211331333132333   >>      C11231323321111331312111133133313331323223313231333131133132311211331333132332   >>