B33113313132313113313223313331323133313232233121133133313331333133313331322211
>>
B3311331313231311331322331333132313331323223312113313331333133313331333132221
<<
B33113313132313113313223313331323133313232233121133133313331333133313331322213
>>
B33113313132313113313223313331323133313232233121133133313331333133313331322212
>>