B3311331313231311331322331333132313331323133313233313331311331333131122233121
>>
B331133131323131133132233133313231333132313331323331333131133133313112223312
<<
B3311331313231311331322331333132313331323133313233313331311331333131122233123
>>
B3311331313231311331322331333132313331323133313233313331311331333131122233122
>>