B3311331313231311331322331333131133133313111333133313331323123121211
>>
B331133131323131133132233133313113313331311133313331333132312312121
<<
B3311331313231311331322331333131133133313111333133313331323123121213
>>
B3311331313231311331322331333131133133313111333133313331323123121212
>>