B3311331313231311331322331333132313331322331323133313331313132313233311211331
>>
B331133131323131133132233133313231333132233132313331333131313231323331121133
<<
B3311331313231311331322331333132313331322331323133313331313132313233311211333
>>
B3311331313231311331322331333132313331322331323133313331313132313233311211332
>>