After the mist discharge column 196 has moved to the opposite side of the mist discharge and {TAIL ~ confinement zone} 186 from {HEAD ~ its point} of origin, the person P turns another 90° so as to position the last of four sides facing the mist discharge column 196 
After the mist discharge column 196 has moved to the opposite side of the mist discharge and { TAIL ~ confinement zone } 186 from { HEAD ~ its point } of origin , the person P turns another 90 ° so as to position the last of four sides facing the mist discharge column 196
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH