B3311331313231311331322331333132313233313233231333133313232213231323231323111
>>
B331133131323131133132233133313231323331323323133313331323221323132323132311
<<
B3311331313231311331322331333132313233313233231333133313232213231323231323113
>>
B3311331313231311331322331333132313233313233231333133313232213231323231323112
>>