1: (0 2 9)

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

2: (4 9 20)

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

3: (3 14 6)

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

4: (2 15 9)

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