B3311331313231311331322331333132313231333133313311231211233132313112121121
>>
B331133131323131133132233133313231323133313331331123121123313231311212112
<<
B3311331313231311331322331333132313231333133313311231211233132313112121123
>>
B3311331313231311331322331333132313231333133313311231211233132313112121122
>>