B33113313132313113313223313331323133313223313231333132313331333133322112131
>>
B3311331313231311331322331333132313331322331323133313231333133313332211213
<<
B33113313132313113313223313331323133313223313231333132313331333133322112133
>>
B33113313132313113313223313331323133313223313231333132313331333133322112132
>>