B3311331313231311331322331333131133132311233132313331333132313222332313232311
>>
B331133131323131133132233133313113313231123313231333133313231322233231323231
<<
B3311331313231311331322331333131133132311233132313331333132313222332313232313
>>
B3311331313231311331322331333131133132311233132313331333132313222332313232312
>>