How to buy ticket using machine at konbini

i need a step by step information of how to buy a football match ticket using machine at convenient store such as 7-eleven. i'm interested to watch the fifa club worldcup at yokohama

Do you not wish to buy them online?

I think this is the correct link?
http://cwctickets.fifa.com/fcwc2012-en/

Enjoy the match!

http://www.sej.co.jp/services/popup/002285.html
STEP-3 by "Pコード(P-code)" easiest.

"P" means "チケットぴあ(ticket-Pia)"
http://www.jfa.or.jp/match/topics/2012/99/20121025CWC.pdf.pdf [PDF]
"P-code" Page-8 bottom (Yokohama[横浜] Toyota[豊田])


if not so far Lawson[ローソン] easier than 7-11.
"Loppi(L-code)" direct like this.
http://youtu.be/Eu_z2UGEWx4
http://l-tike.com/guide/loppi_english.html

thank you. it is very useful