1: (1 4 7)

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

2: (2 20 5)

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

3: (0 8 6)

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

4: (1 12 3)

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