B331133131323131133132233133313113313331323321323133313331311331323222111
>>
B33113313132313113313223313331311331333132332132313331333131133132322211
<<
B331133131323131133132233133313113313331323321323133313331311331323222113
>>
B331133131323131133132233133313113313331323321323133313331311331323222112
>>