C11112331312111112111133133313331333132323133313331313331312111133133313223321   >>    C1111233131211111211113313331333133313232313331333131333131211113313331322332   <<    C11112331312111112111133133313331333132323133313331313331312111133133313223323   >>      C11112331312111112111133133313331333132323133313331313331312111133133313223322   >>