Updated production rules:
rule_5: A2 -> 21 A12 A11
rule_14: A11 -> 18 2 17 1
rule_29: A22 -> 10 22 27 21
rule_35: A27 -> 9 2 28 1
rule_39: A28 -> A10 A32 22 29 21
rule_54: A40 -> 1 A16 A41
rule_55: A41 -> 7 2 34 1
rule_59: A44 -> 8 2 35
rule_63: A47 -> 12 2 36 1