I. [v68-165] 19 lines arranged with at random selection of number (2-50 → 20 [= 19]), length (1-9 cm) and descent measured on the left side (2-9 → 2 cm); black ink with graphite pencil on paper
II. [v68-166] 12 lines arranged with at random selection of number (2-50 → 12), length (1-9 cm) and descent measured on the left side (2-9 → 3 cm) [program as v68-165]; black ink with graphite pencil on paper
III. [v68-168] 39 lines arranged with at random selection of number (2-50 → 39), length (1-9 cm) and descent measured on the left side (2-9 → 7 cm) [program as v68-165]; black ink with graphite pencil on paper
IV. [v68-169] 6 lines arranged with at random selection of number (2-50 → 6), length (1-9 cm) and descent measured on the left side (2-9 → 8 cm) [program as v68-165]; black ink with graphite pencil on paper
V. [v68-170] 25 lines arranged with at random selection of number (2-50 → 25), length (1-9 cm) and descent measured on the left and right side (2-9 → 3 cm) [program as v68-165]; black ink with graphite pencil on paper
VI. [v68-174] maximum number of lines (2-50 → 6, 7, 7, 3) on each side and descent measured on the left and right side 6 cm [program as v68-170]; black ink with graphite pencil on paper
VII. [v68-175] 35 lines arranged with at random number (20-50 → 35), place and direction; black ink with graphite pencil on paper
VIII-XXIV. [v68-177a-q] series of 17 drawings, starting with one line and each of the follwing sheets has one line more (place and direction selected at random); black ink with graphite pencil on paper