B3311331313231311331322331333131133133313111333133313231323131133132322232131
>>
B331133131323131133132233133313113313331311133313331323132313113313232223213
<<
B3311331313231311331322331333131133133313111333133313231323131133132322232133
>>
B3311331313231311331322331333131133133313111333133313231323131133132322232132
>>