1: (2 11 15)

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

2: (9 17 14)

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

3: (6 12 10)

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

4: (11 16 13)

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