)URPWKHEXWWHUÁ\JXDUG&DUORV0DFKDGR
ULJKWXQGHUKRRNVKLVRSSRQHQW·VDUPV(1).
0DFKDGRSXOOVWKHPDQRIIKLVEDVH(2)WKHQ
UHSRVLWLRQVKLVULJKWDUP(3)VRKHFDQORFNWKH
RSSRQHQW·VULJKWDUP(4)+HXVHVKLVOHIWOHJ
WRH[WHQGWKHRSSRQHQW·VULJKWOHJ(5)EHIRUH
UROOLQJ(6)RQWRSRIKLP(7, reverse view). From
WKHUH0DFKDGRXVHVKLVULJKWOHJWRLPPREL-
OL]HWKHPDQ·VOHIWDUP(8-9)7KH%--H[SHUW
WKHQVZLPVKLVOHIWDUPWRWKHRXWVLGHRIWKH
PDQ·VULJKWDUPDQGWUDSVLW(10-11, reverse
view)+HFRPSOHWHVWKHDUPORFN(12).
1
3
6
912
10 11
2
4
7
5
8
40 BLACKBELTMAG.COM OCTOBER/NOVEMBER 2019