B331133131323131133132233133313231323223313132313231333132313113312121
>>
B33113313132313113313223313331323132322331313231323133313231311331212
<<
B331133131323131133132233133313231323223313132313231333132313113312123
>>
B331133131323131133132233133313231323223313132313231333132313113312122
>>