1: (1 16 20)

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

2: (1 6 10)

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

3: (4 11 7)

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

4: (0 8 2)

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