B3311331313231311331322331333132313231323331333131133133313221211111321311
>>
B331133131323131133132233133313231323132333133313113313331322121111132131
<<
B3311331313231311331322331333132313231323331333131133133313221211111321313
>>
B3311331313231311331322331333132313231323331333131133133313221211111321312
>>