B3311331313231311331322331333131133132311233132313331333132313123231333131131
>>
B331133131323131133132233133313113313231123313231333133313231312323133313113
<<
B3311331313231311331322331333131133132311233132313331333132313123231333131133
>>
B3311331313231311331322331333131133132311233132313331333132313123231333131132
>>