B33113313132313113313223313331323132313331313232233131333133313231231212111
>>
B3311331313231311331322331333132313231333131323223313133313331323123121211
<<
B33113313132313113313223313331323132313331313232233131333133313231231212113
>>
B33113313132313113313223313331323132313331313232233131333133313231231212112
>>