B3311331313231311331322331333131133133313231133133313331311331333132313312311
>>
B331133131323131133132233133313113313331323113313331333131133133313231331231
<<
B3311331313231311331322331333131133133313231133133313331311331333132313312313
>>
B3311331313231311331322331333131133133313231133133313331311331333132313312312
>>