B331133131323131133132233133313231323132333133313112331333132313332122321
>>
B33113313132313113313223313331323132313233313331311233133313231333212232
<<
B331133131323131133132233133313231323132333133313112331333132313332122323
>>
B331133131323131133132233133313231323132333133313112331333132313332122322
>>