B33113313132313113313223313331323331313231323132313331333132313123221211
>>
B3311331313231311331322331333132333131323132313231333133313231312322121
<<
B33113313132313113313223313331323331313231323132313331333132313123221213
>>
B33113313132313113313223313331323331313231323132313331333132313123221212
>>