1: (4 7 15)

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

2: (3 11 5)

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

3: (2 8 6)

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

4: (1 14 7)

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