B331133131323131133132233133313231323331323133313112331333132322331313331121211
>>
B33113313132313113313223313331323132333132313331311233133313232233131333112121
<<
B331133131323131133132233133313231323331323133313112331333132322331313331121213
>>
B331133131323131133132233133313231323331323133313112331333132322331313331121212
>>