C11112331312111112111133132313331333133313233313331333121322321   >>    C1111233131211111211113313231333133313331323331333133312132232   <<    C11112331312111112111133132313331333133313233313331333121322323   >>      C11112331312111112111133132313331333133313233313331333121322322   >>