(a) inscribed in blue fibre-tipped pen on backing board u.r.: 1 (b) inscribed in blue fibre-tipped pen on backing board u.r.: 2 (c) inscribed in blue fibre-tipped pen on backing board u.r.: 3 (d) inscribed in blue fibre-tipped pen on backing board u.r.: 4 (e) inscribed in blue fibre-tipped pen on backing board u.r.: 5 (f) inscribed in blue fibre-tipped pen on backing board u.r.: 6 (g) inscribed in blue fibre-tipped pen on backing board u.r.: 7 (h) inscribed in blue fibre-tipped pen on backing board u.r.: 8 (i) inscribed in blue fibre-tipped pen on backing board u.r.: 9 (j) inscribed in blue fibre-tipped pen on backing board u.r.: 10 (k) inscribed in blue fibre-tipped pen on backing board u.r.: 11 (l) inscribed in blue fibre-tipped pen on backing board u.r.: 12
