B331133131323131133132233133313231323331323133313112331323132313231131221
>>
B33113313132313113313223313331323132333132313331311233132313231323113122
<<
B331133131323131133132233133313231323331323133313112331323132313231131223
>>
B331133131323131133132233133313231323331323133313112331323132313231131222
>>