B3311331313231311331322331333132313233313231333131333133313232223323221221
>>
B331133131323131133132233133313231323331323133313133313331323222332322122
<<
B3311331313231311331322331333132313233313231333131333133313232223323221223
>>
B3311331313231311331322331333132313233313231333131333133313232223323221222
>>