B331133131323131133132233133313231323133313331331123231333132311331333132221
>>
B33113313132313113313223313331323132313331333133112323133313231133133313222
<<
B331133131323131133132233133313231323133313331331123231333132311331333132223
>>
B331133131323131133132233133313231323133313331331123231333132311331333132222
>>