B3311331313231311331322331333132313331322331323133313331333132321123123311
>>
B331133131323131133132233133313231333132233132313331333133313232112312331
<<
B3311331313231311331322331333132313331322331323133313331333132321123123313
>>
B3311331313231311331322331333132313331322331323133313331333132321123123312
>>