B3311331313231311331322331333132333131323132313231333133313232213232211
>>
B331133131323131133132233133313233313132313231323133313331323221323221
<<
B3311331313231311331322331333132333131323132313231333133313232213232213
>>
B3311331313231311331322331333132333131323132313231333133313232213232212
>>