B3311331313231311331322331333131133132311233132313331333132322133332311
>>
B331133131323131133132233133313113313231123313231333133313232213333231
<<
B3311331313231311331322331333131133132311233132313331333132322133332313
>>
B3311331313231311331322331333131133132311233132313331333132322133332312
>>