1: (2 6 7)

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

2: (5 20 6)

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

3: (1 8 4)

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

4: (0 17 3)

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