B3311331313231311331322331333132313233313231333131123313231333132313121333131
>>
B331133131323131133132233133313231323331323133313112331323133313231312133313
<<
B3311331313231311331322331333132313233313231333131123313231333132313121333133
>>
B3311331313231311331322331333132313233313231333131123313231333132313121333132
>>