B331133131323131133132233133313231323331323133313112331333132322121111311
>>
B33113313132313113313223313331323132333132313331311233133313232212111131
<<
B331133131323131133132233133313231323331323133313112331333132322121111313
>>
B331133131323131133132233133313231323331323133313112331333132322121111312
>>