1: (3 5 12)

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

2: (4 20 6)

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

3: (5 14 7)

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

4: (11 15 13)

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