B33113313132313113313223313331323133313223313231333133311221123132212321   >>    B3311331313231311331322331333132313331322331323133313331122112313221232   <<    B33113313132313113313223313331323133313223313231333133311221123132212323   >>      B33113313132313113313223313331323133313223313231333133311221123132212322   >>