1: (0 1 17)

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

2: (6 17 21)

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

3: (3 19 15)

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

4: (2 7 4)

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