B331133131323131133132233133313231323133313331331123231333132223213231323121
>>
B33113313132313113313223313331323132313331333133112323133313222321323132312
<<
B331133131323131133132233133313231323133313331331123231333132223213231323123
>>
B331133131323131133132233133313231323133313331331123231333132223213231323122
>>