B33113313132313113313223313331323133313223313231333132313231232313331322131211   >>    B3311331313231311331322331333132313331322331323133313231323123231333132213121   <<    B33113313132313113313223313331323133313223313231333132313231232313331322131213   >>      B33113313132313113313223313331323133313223313231333132313231232313331322131212   >>