B3311331313231311331322331333132333131323132313231333133313231311213331
>>
B331133131323131133132233133313233313132313231323133313331323131121333
<<
B3311331313231311331322331333132333131323132313231333133313231311213333
>>
B3311331313231311331322331333132333131323132313231333133313231311213332
>>