ticpd sicp ricpdw qicpd picp

4rbp 3rbpdw 2rbpd 1rbp 0rbpdw

f1apdw e1apd d1ap c1apdw b1apd

qaapd paap oaapdw naapd maap

1j9o 0j9odw zj9od yj9o xj9odw