B33113313132313113313223313331323132313331333133112323132313231322221221
>>
B3311331313231311331322331333132313231333133313311232313231323132222122
<<
B33113313132313113313223313331323132313331333133112323132313231322221223
>>
B33113313132313113313223313331323132313331333133112323132313231322221222
>>