B3311331313231311331322331333131133133313111333133313331323123132313121
>>
B331133131323131133132233133313113313331311133313331333132312313231312
<<
B3311331313231311331322331333131133133313111333133313331323123132313123
>>
B3311331313231311331322331333131133133313111333133313331323123132313122
>>