B331133131323131133132233133313231313231333132322331311331322232211
>>
B33113313132313113313223313331323131323133313232233131133132223221
<<
B331133131323131133132233133313231313231333132322331311331322232213
>>
B331133131323131133132233133313231313231333132322331311331322232212
>>