B33113313132313113313223313331323331333131322331333132333132313233313231312111
>>
B3311331313231311331322331333132333133313132233133313233313231323331323131211
<<
B33113313132313113313223313331323331333131322331333132333132313233313231312113
>>
B33113313132313113313223313331323331333131322331333132333132313233313231312112
>>