B331133131323131133132233133313231323133313132322331333132313332212111
>>
B33113313132313113313223313331323132313331313232233133313231333221211
<<
B331133131323131133132233133313231323133313132322331333132313332212113
>>
B331133131323131133132233133313231323133313132322331333132313332212112
>>