1: (0 2 7)

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

2: (4 7 20)

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

3: (3 10 5)

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

4: (4 9 6)

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