C31232233133313221211113313331333133313331212111133133313332113321133211   >>    C3123223313331322121111331333133313331333121211113313331333211332113321   <<    C31232233133313221211113313331333133313331212111133133313332113321133213   >>      C31232233133313221211113313331333133313331212111133133313332113321133212   >>