1: (0 2 15)

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

2: (6 15 20)

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

3: (4 17 14)

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

4: (3 7 5)

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