C221213331323133112111133133313331333131211113313331312111133133313232233131221   >>    C22121333132313311211113313331333133313121111331333131211113313331323223313122   <<    C221213331323133112111133133313331333131211113313331312111133133313232233131223   >>      C221213331323133112111133133313331333131211113313331312111133133313232233131222   >>