B3311331313231311331322331333132313233313231333131123313331323133313113322231
>>
B331133131323131133132233133313231323331323133313112331333132313331311332223
<<
B3311331313231311331322331333132313233313231333131123313331323133313113322233
>>
B3311331313231311331322331333132313233313231333131123313331323133313113322232
>>