B3311331313231311331322331333132313233313231333131133133313133322221
>>
B331133131323131133132233133313231323331323133313113313331313332222
<<
B3311331313231311331322331333132313233313231333131133133313133322223
>>
B3311331313231311331322331333132313233313231333131133133313133322222
>>