B331133131323131133132233133313233313132313231323133313133313231323223311211
>>
B33113313132313113313223313331323331313231323132313331313331323132322331121
<<
B331133131323131133132233133313233313132313231323133313133313231323223311213
>>
B331133131323131133132233133313233313132313231323133313133313231323223311212
>>