B3311331313231311331322331333132313231333133313311232313331323133313112211
>>
B331133131323131133132233133313231323133313331331123231333132313331311221
<<
B3311331313231311331322331333132313231333133313311232313331323133313112213
>>
B3311331313231311331322331333132313231333133313311232313331323133313112212
>>