C132233133112121111331333133313231333133313231211113313112112331   >>    C13223313311212111133133313331323133313331323121111331311211233   <<    C132233133112121111331333133313231333133313231211113313112112333   >>      C132233133112121111331333133313231333133313231211113313112112332   >>