B331133131323131133132233133313231323133313331331122132313232213231323111
>>
B33113313132313113313223313331323132313331333133112213231323221323132311
<<
B331133131323131133132233133313231323133313331331122132313232213231323113
>>
B331133131323131133132233133313231323133313331331122132313232213231323112
>>