1: (1 2 12)

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

2: (2 6 11)

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

3: (3 13 10)

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

4: (5 15 7)

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