B33113313132313113313223313331323331313231323331333133313231333132223131211
>>
B3311331313231311331322331333132333131323132333133313331323133313222313121
<<
B33113313132313113313223313331323331313231323331333133313231333132223131213
>>
B33113313132313113313223313331323331313231323331333133313231333132223131212
>>