C221213331323133112111133133313331333133313331323133313233123221   >>    C22121333132313311211113313331333133313331333132313331323312322   <<    C221213331323133112111133133313331333133313331323133313233123223   >>      C221213331323133112111133133313331333133313331323133313233123222   >>