B331322121123313232233132112323331323133313223313331333133313231311211312131
>>
B33132212112331323223313211232333132313331322331333133313331323131121131213
<<
B331322121123313232233132112323331323133313223313331333133313231311211312133
>>
B331322121123313232233132112323331323133313223313331333133313231311211312132
>>