1: (1 4 20)

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

2: (0 6 2)

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

3: (3 11 5)

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

4: (1 7 17)

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