1: (4 6 20)

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

2: (4 8 12)

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

3: (7 18 9)

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

4: (1 10 5)

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