B33113313132313113313223313331323331333132313321133133313331323132232211
>>
B3311331313231311331322331333132333133313231332113313331333132313223221
<<
B33113313132313113313223313331323331333132313321133133313331323132232213
>>
B33113313132313113313223313331323331333132313321133133313331323132232212
>>