Updated production rules:
rule_59: A45 -> 12 28 36 27
rule_53: A40 -> 10 19 35
rule_46: A36 -> 18 A4 A37
rule_45: A35 -> 16 28 33 27
rule_15: A10 -> 28 29 27 A20 A19
rule_7: A5 -> 8 2 7 1