1: (7 10 16)

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

2: (4 11 9)

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

3: (6 20 8)

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

4: (5 12 10)

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