< amount < relation (abstract relation)

• 11920(the biggest, the prime of one's life) ← 11930(twice) → 11931(surplus, remnant, double)
• ㄱ ㄴ ㄷ ㄹ ㅁ ㅂ ㅅ ㅇ ㅈ ㅊ ㅋ ㅌ ㅍ ㅎ
• a b c d e f g h i j k l m n o p q r s t u v w x y z