C132233133112121111331333133313331333132313231332111133131322233231   >>    C13223313311212111133133313331333133313231323133211113313132223323   <<    C132233133112121111331333133313331333132313231332111133131322233233   >>      C132233133112121111331333133313331333132313231332111133131322233232   >>