2bdh1 1bdh 0bdh17 zbdh1 ybdh
dlch clch17 blch1 alch 9kch17
oubh17 nubh1 mubh lubh17 kubh1
z3ah1 y3ah x3ah17 w3ah1 v3ah
adah 9cah17 8cah1 7cah 6cah17