1: (2 4 13)

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

2: (3 14 12)

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

3: (4 7 10)

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

4: (6 11 8)

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