B3311331313231311331322331333131133133313111333133313231323223313221311
>>
B331133131323131133132233133313113313331311133313331323132322331322131
<<
B3311331313231311331322331333131133133313111333133313231323223313221313
>>
B3311331313231311331322331333131133133313111333133313231323223313221312
>>