B3311331313231311331322331333132313233313231333131123313331323133332121
>>
B331133131323131133132233133313231323331323133313112331333132313333212
<<
B3311331313231311331322331333132313233313231333131123313331323133332123
>>
B3311331313231311331322331333132313233313231333131123313331323133332122
>>