B3311331313231311331322331333131133132311233132313331333132312131
>>
B331133131323131133132233133313113313231123313231333133313231213
<<
B3311331313231311331322331333131133132311233132313331333132312133
>>
B3311331313231311331322331333131133132311233132313331333132312132
>>