B3311331313231311331322331333132313231333131323223313233313231311112121
>>
B331133131323131133132233133313231323133313132322331323331323131111212
<<
B3311331313231311331322331333132313231333131323223313233313231311112123
>>
B3311331313231311331322331333132313231333131323223313233313231311112122
>>