B3311331313231311331322331333132313331322331323133313331333133313232223221111
>>
B331133131323131133132233133313231333132233132313331333133313331323222322111
<<
B3311331313231311331322331333132313331322331323133313331333133313232223221113
>>
B3311331313231311331322331333132313331322331323133313331333133313232223221112
>>