1: (4 6 17)

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

2: (5 20 7)

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

3: (6 10 12)

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

4: (9 14 11)

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