B33113313132313113313223313331323133313223313231333133313232211323221211
>>
B3311331313231311331322331333132313331322331323133313331323221132322121
<<
B33113313132313113313223313331323133313223313231333133313232211323221213
>>
B33113313132313113313223313331323133313223313231333133313232211323221212
>>