B331133131323131133132233133313231323133313331331121111331333131132221
>>
B33113313132313113313223313331323132313331333133112111133133313113222
<<
B331133131323131133132233133313231323133313331331121111331333131132223
>>
B331133131323131133132233133313231323133313331331121111331333131132222
>>