SeveralpeopleintheUnitedStatesandBritainhavehaddangerousallergicreactionsto a coronavirusvaccine, andpollshaveshownthat a significantnumberofpeopledon't planongettingonebecauseofconcernsthattheseshotsaren't safeornecessary, asthevastmajorityofpeoplewhogetinfectedwithcoronavirussurviveit.
Butmanygovernmentandhealthcareworkersarehopefulthatthevaccineswillbringtheworld a stepclosertogettingbacktonormalafterlastyear's pandemic, fireworkseruptover a nowinfamouscityinChina.
Onceonecomputersolvesthatpuzzle, a recordofthesuccessfultransactiongetsaddedtothelistforeveryonetoseealleditionsairpermanent, sonoonecandeleteorchangethedata.
Theyshouldprobablyavoidthecarwashandstickto a safetydanceliketheelectricslide, becauseiftheyevergetpoppedandlockedupandgrindtheirgearswhenthey'renotsynchronized, theycouldbreak, danceandrequire a hammertogetbacktotheiralgorithm.