1: (1 12 16)

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

2: (9 17 15)

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

3: (2 13 11)

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

4: (10 20 16)

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