C11112331312111112111133133313331333133112111113331333133313331333131122313321   >>    C1111233131211111211113313331333133313311211111333133313331333133313112231332   <<    C11112331312111112111133133313331333133112111113331333133313331333131122313323   >>      C11112331312111112111133133313331333133112111113331333133313331333131122313322   >>