B3311331313231311331322331333132313231323331333131133133313233313331311223221
>>
B331133131323131133132233133313231323132333133313113313331323331333131122322
<<
B3311331313231311331322331333132313231323331333131133133313233313331311223223
>>
B3311331313231311331322331333132313231323331333131133133313233313331311223222
>>