O: rule

Ϊk: rule ѳWX

: LGS ѤFشѳWpa覡, ثew]ȬӪ饻تkC
      sW񺡭pIk; bѧ觡J "rule 0", hӧ
      NHWhpa, YJ "rule 1" hHتkpaC

      paWhXح:
      1. ѽL_Ƹ (9, 11, 13...)C
      2. KI, åBij 8 IC

      nSO`N:
      1. ϥ komi OP˥iHbWhUܶKIơC
      2. ¶KKI, M³, lpUMճӡC
      3. YtlLkJ, YӤ@pIpC
      4. 񺡭pIUxn, _h{ioͻ~PC
