B331133131323131133132233133313231323331323323133313331333132322121221
>>
B33113313132313113313223313331323132333132332313331333133313232212122
<<
B331133131323131133132233133313231323331323323133313331333132322121223
>>
B331133131323131133132233133313231323331323323133313331333132322121222
>>