1: (0 1 5)

(0)(1 15 13 11 8 6 5 20 3)(2 14 4)(7 10 9)(12 18 16)(17 21 19)

2: (3 5 20)

(0)(1 15 13 11 8 6 5)(2 14 4)(3)(7 10 9)(12 18 16)(17 21 19)(20)

3: (2 14 4)

(0)(1 15 13 11 8 6 5)(2)(3)(4)(7 10 9)(12 18 16)(14)(17 21 19)(20)

4: (1 15 5)

(0)(1)(2)(3)(4)(5 13 11 8 6)(7 10 9)(12 18 16)(14)(15)(17 21 19)(20)