sample_input.in

goto sina.com.cn
goto google.co.id
goto yahoo.co.jp
goto blogger.com
goto live.com
goto google.de
print_open_tabs
goto yahoo.co.jp
newtab
goto google.ru
deltab
goto answers.yahoo.com
print_open_tabs
newtab
change_tab 0
deltab
newtab
change_tab 1
newtab
change_tab 1
deltab
newtab
print_open_tabs
change_tab 2
newtab
goto xinhuanet.com
newtab
deltab
goto booking.com
print_open_tabs
change_tab 3
goto imdb.com
deltab
newtab
newtab
newtab
deltab
print_open_tabs
change_tab 1
goto alibaba.com
newtab
goto hao123.com
change_tab 2
newtab
deltab
change_tab 5
newtab
print_open_tabs
change_tab 0
deltab
change_tab 0
newtab
goto office.com
change_tab 2
print_open_tabs
goto rakuten.co.jp
deltab
change_tab 4
goto 163.com
newtab
newtab
goto amazon.co.jp
goto google.de
goto imgur.com
goto ebay.com
newtab
goto bing.com
print_open_tabs
goto google.co.kr
goto microsoftonline.com
goto tumblr.com
change_tab 3
deltab
print_open_tabs
change_tab 6
newtab
deltab
goto ebay.com
newtab
change_tab 2
deltab
newtab
newtab
print_open_tabs
goto amazon.co.uk
goto stackoverflow.com
deltab
newtab
change_tab 7
newtab
newtab
print_open_tabs
change_tab 0
deltab
change_tab 5
goto answers.yahoo.com
change_tab 1
goto amazon.co.uk
print_open_tabs
newtab
change_tab 5
newtab
change_tab 7
newtab
newtab
deltab
print_open_tabs
goto youku.com
change_tab 4
goto amazon.in
newtab
goto fc2.com
deltab
change_tab 10
goto google.it
newtab
deltab
goto amazon.de
print_open_tabs
newtab
change_tab 8
newtab
change_tab 6
goto tumblr.com
print_open_tabs