B331133131323131133132233133313231323132333133313132322121111211
>>
B33113313132313113313223313331323132313233313331313232212111121
<<
B331133131323131133132233133313231323132333133313132322121111213
>>
B331133131323131133132233133313231323132333133313132322121111212
>>