B33113313132313113313223313331323331333131322331333132333132313233312121
>>
B3311331313231311331322331333132333133313132233133313233313231323331212
<<
B33113313132313113313223313331323331333131322331333132333132313233312123
>>
B33113313132313113313223313331323331333131322331333132333132313233312122
>>