1: (6 8 12)

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

2: (4 10 12)

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

3: (5 15 7)

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

4: (9 14 11)

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