C111123313121111121111331333133313331333133313331333133313331333232132313231   >>    C11112331312111112111133133313331333133313331333133313331333133323213231323   <<    C111123313121111121111331333133313331333133313331333133313331333232132313233   >>      C111123313121111121111331333133313331333133313331333133313331333232132313232   >>