B33113313132313113313223313331323132313233313331312111133133313331323121111
>>
B3311331313231311331322331333132313231323331333131211113313331333132312111
<<
B33113313132313113313223313331323132313233313331312111133133313331323121113
>>
B33113313132313113313223313331323132313233313331312111133133313331323121112
>>