B33113313132313113313223313331323133313223313231333133313112121133132322211221
>>
B3311331313231311331322331333132313331322331323133313331311212113313232221122
<<
B33113313132313113313223313331323133313223313231333133313112121133132322211223
>>
B33113313132313113313223313331323133313223313231333133313112121133132322211222
>>