1: (4 10 20)

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

2: (3 17 5)

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

3: (4 10 20)

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

4: (1 19 13)

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