Updated production rules:
rule_5: A2 -> 11 10 1 8 9 A7 A6 4 3
rule_31: A16 -> 7 1 16
rule_41: A22 -> A5 A3 18 17
rule_44: A23 -> 5 A26 12 13 20 A24 24 19
rule_48: A24 -> 1 22 A28
rule_53: A27 -> 21 23
rule_63: A32 -> A38 27 A33 26 25
rule_65: A33 -> 1 28 1 29
rule_74: A39 -> A7 1 14 15