B331133131323131133132233133313231323132333133313112331333132323132212321
>>
B33113313132313113313223313331323132313233313331311233133313232313221232
<<
B331133131323131133132233133313231323132333133313112331333132323132212323
>>
B331133131323131133132233133313231323132333133313112331333132323132212322
>>