B33113313132313113313223313331323133313223313231333133313113313232233132221221
>>
B3311331313231311331322331333132313331322331323133313331311331323223313222122
<<
B33113313132313113313223313331323133313223313231333133313113313232233132221223
>>
B33113313132313113313223313331323133313223313231333133313113313232233132221222
>>