1: (0 3 8)

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

2: (2 20 5)

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

3: (4 13 6)

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

4: (5 10 7)

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