B3311331313231311331322331333132233131133132233133313231333132313221211
>>
B331133131323131133132233133313223313113313223313331323133313231322121
<<
B3311331313231311331322331333132233131133132233133313231333132313221213
>>
B3311331313231311331322331333132233131133132233133313231333132313221212
>>