1: (1 5 7)

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

2: (4 19 6)

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

3: (1 5 7)

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

4: (2 20 17)

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