B33113313132313113313223313331323133313223313231333132322121121211   >>    B3311331313231311331322331333132313331322331323133313232212112121   <<    B33113313132313113313223313331323133313223313231333132322121121213   >>      B33113313132313113313223313331323133313223313231333132322121121212   >>