1: (6 9 13)

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

2: (4 11 7)

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

3: (6 9 13)

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

4: (8 12 10)

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