B3311331313231311331322331333132313331322331323133313331333133313232223311131
>>
B331133131323131133132233133313231333132233132313331333133313331323222331113
<<
B3311331313231311331322331333132313331322331323133313331333133313232223311133
>>
B3311331313231311331322331333132313331322331323133313331333133313232223311132
>>