B33113313132313113313223313331323132313331123313331323233232211
>>
B3311331313231311331322331333132313231333112331333132323323221
<<
B33113313132313113313223313331323132313331123313331323233232213
>>
B33113313132313113313223313331323132313331123313331323233232212
>>