C132233133112121111331333133313231333133313231323221211111211113313331221   >>    C13223313311212111133133313331323133313331323132322121111121111331333122   <<    C132233133112121111331333133313231333133313231323221211111211113313331223   >>      C132233133112121111331333133313231333133313231323221211111211113313331222   >>