B3311331313231311331322331333132313233313231333131333132313233313132323221
>>
B331133131323131133132233133313231323331323133313133313231323331313232322
<<
B3311331313231311331322331333132313233313231333131333132313233313132323223
>>
B3311331313231311331322331333132313233313231333131333132313233313132323222
>>