B331133131323131133132233133313231323131333133313231323132313231331121221
>>
B33113313132313113313223313331323132313133313331323132313231323133112122
<<
B331133131323131133132233133313231323131333133313231323132313231331121223
>>
B331133131323131133132233133313231323131333133313231323132313231331121222
>>