C111123313121111121111331333133313331333131233133313332333132313332233121   >>    C11112331312111112111133133313331333133313123313331333233313231333223312   <<    C111123313121111121111331333133313331333131233133313332333132313332233123   >>      C111123313121111121111331333133313331333131233133313332333132313332233122   >>