B3311331313231311331322331333131133132313311233132313331323132313231323221
>>
B331133131323131133132233133313113313231331123313231333132313231323132322
<<
B3311331313231311331322331333131133132313311233132313331323132313231323223
>>
B3311331313231311331322331333131133132313311233132313331323132313231323222
>>