B3311331313231311331322331333132313231333133313311211111333132313331323231121
>>
B331133131323131133132233133313231323133313331331121111133313231333132323112
<<
B3311331313231311331322331333132313231333133313311211111333132313331323231123
>>
B3311331313231311331322331333132313231333133313311211111333132313331323231122
>>