B33113313132313113313223313331323132333132313111313232313232211
>>
B3311331313231311331322331333132313233313231311131323231323221
<<
B33113313132313113313223313331323132333132313111313232313232213
>>
B33113313132313113313223313331323132333132313111313232313232212
>>