1: (0 1 9)

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

2: (4 9 21)

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

3: (2 12 5)

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

4: (1 20 9)

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