1: (0 1 5)

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

2: (5 15 20)

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

3: (3 17 8)

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

4: (2 6 4)

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