1: (9 16 20)

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

2: (2 5 20)

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

3: (1 8 3)

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

4: (0 16 5)

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