我有二进制文件， 用less打开是这样的， R<9C>^H^@^C^@^L^AG
7034KR4201E92355007001000000001401036362600085001030006400099004219040003603
5787400036939000990001081000980001534000970001349000960001301000950001280002
0184001000002072001010002040001020001318001030001756001040001455013740032004
20038003500410073600270041003000570044
从第二行的7034开始，数据格式我都是知道的。
我现在要做的是，
1. locate
2. check if the 11th element after is G
if is G go to step 3
if not stop
3. read element 6 bytes after (1st---6
