Updated production rules:
rule_4: A4 -> 1 8 7 6 5 4 3 2
rule_6: A6 -> 31 23 22 21 20 19 18 17
rule_8: A8 -> 32 15 14 13 12 11 10 9
rule_9: A9 -> A10 25 24 A7
rule_10: A10 -> 33 30 29 28 27 26