<pre>123456<span style="-moz-tab-size: 4">B	Z</span> 1234567<span style="-moz-tab-size: 4">B	Z</span> 12345678<span style="-moz-tab-size: 4">B	Z</span> 123456789<span style="-moz-tab-size: 4">B	Z</span> 1234567890<span style="-moz-tab-size: 4">B	Z</span> 12345678901<span style="-moz-tab-size: 4">B	Z</span></pre>