B3311331313231311331322331333132313233313233313113313132313331323132213232211
>>
B331133131323131133132233133313231323331323331311331313231333132313221323221
<<
B3311331313231311331322331333132313233313233313113313132313331323132213232213
>>
B3311331313231311331322331333132313233313233313113313132313331323132213232212
>>