ccc随机文1ddd
aaa隔壁老王bbb
aaa隔壁老李bbb
aaa隔壁老按时bbb
aaa隔壁老地方bbb
aaa隔壁老张bbb
ccc随机文2ddd
aaa隔壁老加bbb
aaa隔壁老键bbb
aaa隔壁老成bbb
上面这种格式的txt 怎么才能变成下面格式
aaa隔壁老王bbbccc随机文1ddd
aaa隔壁老李bbbccc随机文1ddd
aaa隔壁老按时bbbccc随机文1ddd
aaa隔壁老地方bbbccc随机文1ddd
aaa隔壁老张bbbccc随机文1ddd
aaa隔壁老加bbbccc随机文2ddd
aaa隔壁老键bbbccc随机文2ddd
aaa隔壁老成bbbccc随机文2ddd
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