C11231323321111331312111133133313331323223313231333131133132313331323221231   >>    C1123132332111133131211113313331333132322331323133313113313231333132322123   <<    C11231323321111331312111133133313331323223313231333131133132313331323221233   >>      C11231323321111331312111133133313331323223313231333131133132313331323221232   >>