1: (2 7 8)

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

2: (2 6 20)

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

3: (1 9 4)

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

4: (0 17 3)

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