B3311331313231311331322331333131133133313231133133313331311331323132323322231
>>
B331133131323131133132233133313113313331323113313331333131133132313232332223
<<
B3311331313231311331322331333131133133313231133133313331311331323132323322233
>>
B3311331313231311331322331333131133133313231133133313331311331323132323322232
>>