B33113313132313113313223313331323331333132211331323132313331323132313111211
>>
B3311331313231311331322331333132333133313221133132313231333132313231311121
<<
B33113313132313113313223313331323331333132211331323132313331323132313111213
>>
B33113313132313113313223313331323331333132211331323132313331323132313111212
>>