B33113313132313113313223313331323132313233313331311331323223313211232322221
>>
B3311331313231311331322331333132313231323331333131133132322331321123232222
<<
B33113313132313113313223313331323132313233313331311331323223313211232322223
>>
B33113313132313113313223313331323132313233313331311331323223313211232322222
>>