B3311331313231311331322331333132313231323331333131333133313231313132311331
>>
B331133131323131133132233133313231323132333133313133313331323131313231133
<<
B3311331313231311331322331333132313231323331333131333133313231313132311333
>>
B3311331313231311331322331333132313231323331333131333133313231313132311332
>>