Informal learning activities/TpcFrr/GHc1

#|(&thinsp;⇑&thinsp;&thinsp;#|&thinsp;⇑⇑&thinsp;&thinsp;#|&thinsp;⇓⇓&thinsp;&thinsp;#|&thinsp;⇓&thinsp;)

&emsp; This sets up branches to four locations. The intention is, in sequence to go up one or two places, and down two or one places.