1: (0 2 6)

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

2: (4 6 21)

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

3: (3 8 5)

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

4: (2 13 6)

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