B331133131323131133132233133313231323132333133313111333131133132313113312121
>>
B33113313132313113313223313331323132313233313331311133313113313231311331212
<<
B331133131323131133132233133313231323132333133313111333131133132313113312123
>>
B331133131323131133132233133313231323132333133313111333131133132313113312122
>>