B33113313132313113313223313331323133313223313231333133313121333132211331
>>
B3311331313231311331322331333132313331322331323133313331312133313221133
<<
B33113313132313113313223313331323133313223313231333133313121333132211333
>>
B33113313132313113313223313331323133313223313231333133313121333132211332
>>