B33113313132313113313223313331323132313331333133112323132313232212311221
>>
B3311331313231311331322331333132313231333133313311232313231323221231122
<<
B33113313132313113313223313331323132313331333133112323132313232212311223
>>
B33113313132313113313223313331323132313331333133112323132313232212311222
>>