1: (0 1 9)

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

2: (4 9 21)

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

3: (3 13 5)

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

4: (1 20 9)

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