B3311331313231311331322331333132313331323331211113313331311331313331123311
>>
B331133131323131133132233133313231333132333121111331333131133131333112331
<<
B3311331313231311331322331333132313331323331211113313331311331313331123313
>>
B3311331313231311331322331333132313331323331211113313331311331313331123312
>>