B3311331313231311331322331333132313233313231333131133132313331123313232231
>>
B331133131323131133132233133313231323331323133313113313231333112331323223
<<
B3311331313231311331322331333132313233313231333131133132313331123313232233
>>
B3311331313231311331322331333132313233313231333131133132313331123313232232
>>