B33113313132313113313223313331323133313231313232233133313231323131122211
>>
B3311331313231311331322331333132313331323131323223313331323132313112221
<<
B33113313132313113313223313331323133313231313232233133313231323131122213
>>
B33113313132313113313223313331323133313231313232233133313231323131122212
>>