B3311331313231311331322331333132233131133132233133313231333131133131113113231
>>
B331133131323131133132233133313223313113313223313331323133313113313111311323
<<
B3311331313231311331322331333132233131133132233133313231333131133131113113233
>>
B3311331313231311331322331333132233131133132233133313231333131133131113113232
>>