B3311331313231311331322331333131133132311233132313331333132333131211121
>>
B331133131323131133132233133313113313231123313231333133313233313121112
<<
B3311331313231311331322331333131133132311233132313331333132333131211123
>>
B3311331313231311331322331333131133132311233132313331333132333131211122
>>