B3311331313231311331322331333132313331322331323133313232213231333132321123121
>>
B331133131323131133132233133313231333132233132313331323221323133313232112312
<<
B3311331313231311331322331333132313331322331323133313232213231333132321123123
>>
B3311331313231311331322331333132313331322331323133313232213231333132321123122
>>