B33113313132313113313223313331323133313223313231333132313331312321211
>>
B3311331313231311331322331333132313331322331323133313231333131232121
<<
B33113313132313113313223313331323133313223313231333132313331312321213
>>
B33113313132313113313223313331323133313223313231333132313331312321212
>>