C111123313121111121111331333133313331333133313331333133313331323311221321   >>    C11112331312111112111133133313331333133313331333133313331333132331122132   <<    C111123313121111121111331333133313331333133313331333133313331323311221323   >>      C111123313121111121111331333133313331333133313331333133313331323311221322   >>