B3311331313231311331322331333132313331322331323133313311221323133313232233211
>>
B331133131323131133132233133313231333132233132313331331122132313331323223321
<<
B3311331313231311331322331333132313331322331323133313311221323133313232233213
>>
B3311331313231311331322331333132313331322331323133313311221323133313232233212
>>