B33113313132313113313223313331323132313233313331311233133313232233133312121
>>
B3311331313231311331322331333132313231323331333131123313331323223313331212
<<
B33113313132313113313223313331323132313233313331311233133313232233133312123
>>
B33113313132313113313223313331323132313233313331311233133313232233133312122
>>