1: (0 2 9)

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

2: (4 9 21)

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

3: (3 13 5)

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

4: (2 20 9)

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