1: (6 9 12)

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

2: (1 9 7)

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

3: (4 13 11)

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

4: (8 15 10)

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