B331133131323131133132233133313231333132313132322331333132313331123313123221
>>
B33113313132313113313223313331323133313231313232233133313231333112331312322
<<
B331133131323131133132233133313231333132313132322331333132313331123313123223
>>
B331133131323131133132233133313231333132313132322331333132313331123313123222
>>