C3123121111113313121111331333133313223313331333133313233313231333133313131131   >>    C312312111111331312111133133313331322331333133313331323331323133313331313113   <<    C3123121111113313121111331333133313223313331333133313233313231333133313131133   >>      C3123121111113313121111331333133313223313331333133313233313231333133313131132   >>