B331133131323131133132233133313232213232233132313232233133313231333132322211
>>
B33113313132313113313223313331323221323223313231323223313331323133313232221
<<
B331133131323131133132233133313232213232233132313232233133313231333132322213
>>
B331133131323131133132233133313232213232233132313232233133313231333132322212
>>