C132233133112121111331333133313231333133313231323221211111211113313121211222221   >>    C13223313311212111133133313331323133313331323132322121111121111331312121122222   <<    C132233133112121111331333133313231333133313231323221211111211113313121211222223   >>      C132233133112121111331333133313231333133313231323221211111211113313121211222222   >>