1: (0 2 8)

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

2: (4 8 20)

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

3: (3 14 5)

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

4: (2 15 8)

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