B331133131323131133132233133313231333132313132322331323112113313231313331211
>>
B33113313132313113313223313331323133313231313232233132311211331323131333121
<<
B331133131323131133132233133313231333132313132322331323112113313231313331213
>>
B331133131323131133132233133313231333132313132322331323112113313231313331212
>>