y0ud x0ud0g w0ud0 v0ud u0ud0g
99td0g 89td0 79td 69td0g 59td0
kjtd0 jjtd ijtd0g hjtd0 gjtd
vssd ussd0g tssd0 sssd rssd0g
61rd0g 51rd0 41rd 31rd0g 21rd0