B3311331313231311331322331333132313233313231333131333133313232311311
>>
B331133131323131133132233133313231323331323133313133313331323231131
<<
B3311331313231311331322331333132313233313231333131333133313232311313
>>
B3311331313231311331322331333132313233313231333131333133313232311312
>>