B3311331313231311331322331333132313331322331323133313331333223313223121
>>
B331133131323131133132233133313231333132233132313331333133322331322312
<<
B3311331313231311331322331333132313331322331323133313331333223313223123
>>
B3311331313231311331322331333132313331322331323133313331333223313223122
>>