1: (0 1 6)

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

2: (3 6 20)

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

3: (2 15 4)

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

4: (1 17 6)

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