C3123223313331322121111331333133313231333133313331333133313231331211   >>    C312322331333132212111133133313331323133313331333133313331323133121   <<    C3123223313331322121111331333133313231333133313331333133313231331213   >>      C3123223313331322121111331333133313231333133313331333133313231331212   >>