B33113313132313113313223313331323133313233313121111331323223313232112321   >>    B3311331313231311331322331333132313331323331312111133132322331323211232   <<    B33113313132313113313223313331323133313233313121111331323223313232112323   >>      B33113313132313113313223313331323133313233313121111331323223313232112322   >>