B33113313132313113313223313331323133313231313232233133313113313133313221221
>>
B3311331313231311331322331333132313331323131323223313331311331313331322122
<<
B33113313132313113313223313331323133313231313232233133313113313133313221223
>>
B33113313132313113313223313331323133313231313232233133313113313133313221222
>>