B3311331313231311331322331333131133132323131133132313331322331323132322221
>>
B331133131323131133132233133313113313232313113313231333132233132313232222
<<
B3311331313231311331322331333131133132323131133132313331322331323132322223
>>
B3311331313231311331322331333131133132323131133132313331322331323132322222
>>