B3311331313231311331322331333132313331322331323133313331313331323232223321
>>
B331133131323131133132233133313231333132233132313331333131333132323222332
<<
B3311331313231311331322331333132313331322331323133313331313331323232223323
>>
B3311331313231311331322331333132313331322331323133313331313331323232223322
>>