C11112331312111112111133133313331333133112111113331323132323221   >>    C1111233131211111211113313331333133313311211111333132313232322   <<    C11112331312111112111133133313331333133112111113331323132323223   >>      C11112331312111112111133133313331333133112111113331323132323222   >>