C221213331323133112111133133313331333132313331333132313331333133313331322232211   >>    C22121333132313311211113313331333133313231333133313231333133313331333132223221   <<    C221213331323133112111133133313331333132313331333132313331333133313331322232213   >>      C221213331323133112111133133313331333132313331333132313331333133313331322232212   >>