Updated production rules:
rule_38: A21 -> 3 1 16 15
rule_52: A28 -> 10 1 18 17
rule_66: A36 -> 1 1 7 8 6 1 4 1 5 19 1 20 22 21
rule_80: A41 -> 25 26 11 A22 14 A42 12 28 1 27 30 29 2 A44 23