B3311331313231311331322331333131133133313111333133313331323223321132311
>>
B331133131323131133132233133313113313331311133313331333132322332113231
<<
B3311331313231311331322331333131133133313111333133313331323223321132313
>>
B3311331313231311331322331333131133133313111333133313331323223321132312
>>