B33113313132313113313223313331323132313233313331311233133313232213332211
>>
B3311331313231311331322331333132313231323331333131123313331323221333221
<<
B33113313132313113313223313331323132313233313331311233133313232213332213
>>
B33113313132313113313223313331323132313233313331311233133313232213332212
>>