7zsc 6zscr3 5zscr 4zsc 3zscr3
i9rcr3 h9rcr g9rc f9rcr3 e9rcr
tircr sirc rircr3 qircr pirc
4rqc 3rqcr3 2rqcr 1rqc 0rqcr3
f1pcr3 e1pcr d1pc c1pcr3 b1pcr