B33113313132313113313223313331323133313233313121111331323232212111   >>    B3311331313231311331322331333132313331323331312111133132323221211   <<    B33113313132313113313223313331323133313233313121111331323232212113   >>      B33113313132313113313223313331323133313233313121111331323232212112   >>