even start with your approach, you should..

来源: 于 2010-03-11 12:03:20 [旧帖] [给我悄悄话] 本文已被阅读：次

1- go 141 mile N
2- then turn 135 degrees left, go 200 miles
3- then turn 90 degrees left, go 200 miles
4- then turn 90 degreesleft, go 200 miles

deal!