B331133131323131133132233133313231333132313321133133313331323222111
>>
B33113313132313113313223313331323133313231332113313331333132322211
<<
B331133131323131133132233133313231333132313321133133313331323222113
>>
B331133131323131133132233133313231333132313321133133313331323222112
>>