1: (6 10 15)

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

2: (4 11 9)

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

3: (0 12 10)

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

4: (2 7 5)

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