B3311331313231311331322331333132313331323331312111133132313331333133313232211
>>
B331133131323131133132233133313231333132333131211113313231333133313331323221
<<
B3311331313231311331322331333132313331323331312111133132313331333133313232213
>>
B3311331313231311331322331333132313331323331312111133132313331333133313232212
>>