B3311331313231311331322331333132313331322331323133313331313231322133313231121
>>
B331133131323131133132233133313231333132233132313331333131323132213331323112
<<
B3311331313231311331322331333132313331322331323133313331313231322133313231123
>>
B3311331313231311331322331333132313331322331323133313331313231322133313231122
>>