C11112331312111112111133133313331333132323133313331333131211133322321   >>    C1111233131211111211113313331333133313232313331333133313121113332232   <<    C11112331312111112111133133313331333132323133313331333131211133322323   >>      C11112331312111112111133133313331333132323133313331333131211133322322   >>