C3123121111113313121111331333133313223313331333131333131133132322132333131   >>    C312312111111331312111133133313331322331333133313133313113313232213233313   <<    C3123121111113313121111331333133313223313331333131333131133132322132333133   >>      C3123121111113313121111331333133313223313331333131333131133132322132333132   >>