C3123121111113313121111331333133313223313331333133313223313231333132313311   >>    C312312111111331312111133133313331322331333133313331322331323133313231331   <<    C3123121111113313121111331333133313223313331333133313223313231333132313313   >>      C3123121111113313121111331333133313223313331333133313223313231333132313312   >>