B331133131323131133132233133313231323133313132322331311331323133311211332211
>>
B33113313132313113313223313331323132313331313232233131133132313331121133221
<<
B331133131323131133132233133313231323133313132322331311331323133311211332213
>>
B331133131323131133132233133313231323133313132322331311331323133311211332212
>>