B3311331313231311331322331333132333131323132313231333133313231311112121
>>
B331133131323131133132233133313233313132313231323133313331323131111212
<<
B3311331313231311331322331333132333131323132313231333133313231311112123
>>
B3311331313231311331322331333132333131323132313231333133313231311112122
>>