B331133131323131133132233133313231323331323133313112331333132322123232223321
>>
B33113313132313113313223313331323132333132313331311233133313232212323222332
<<
B331133131323131133132233133313231323331323133313112331333132322123232223323
>>
B331133131323131133132233133313231323331323133313112331333132322123232223322
>>