B33113313132313113313223313331323133313223313231333112211232323321   >>    B3311331313231311331322331333132313331322331323133311221123232332   <<    B33113313132313113313223313331323133313223313231333112211232323323   >>      B33113313132313113313223313331323133313223313231333112211232323322   >>