B33113313132313113313223313331323132313331313232233133313113313121123311
>>
B3311331313231311331322331333132313231333131323223313331311331312112331
<<
B33113313132313113313223313331323132313331313232233133313113313121123313
>>
B33113313132313113313223313331323132313331313232233133313113313121123312
>>