Updated production rules:
rule_1: A1 -> A41 28 38 A38 A36 A33 29 A30 1 A26 2 33 1 A21 A18 29 A8 A2
rule_4: A4 -> 10 2 9 1
rule_15: A13 -> 12 19 23 18
rule_41: A32 -> 3 2 34
rule_44: A34 -> 5 30 35
rule_50: A39 -> 15 19 37 18