B33113313132313113313223313331323132333132313331311233133313232233132211321   >>    B3311331313231311331322331333132313233313231333131123313331323223313221132   <<    B33113313132313113313223313331323132333132313331311233133313232233132211323   >>      B33113313132313113313223313331323132333132313331311233133313232233132211322   >>