B3311331313231311331322331333132313233313231333131211113313331333132321122311
>>
B331133131323131133132233133313231323331323133313121111331333133313232112231
<<
B3311331313231311331322331333132313233313231333131211113313331333132321122313
>>
B3311331313231311331322331333132313233313231333131211113313331333132321122312
>>