1: (5 9 12)

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

2: (2 9 20)

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

3: (6 13 11)

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

4: (0 7 4)

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