B3311331313231311331322331333131133133313233213231333132313231333133313232221
>>
B331133131323131133132233133313113313331323321323133313231323133313331323222
<<
B3311331313231311331322331333131133133313233213231333132313231333133313232223
>>
B3311331313231311331322331333131133133313233213231333132313231333133313232222
>>