1: (4 10 13)

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

2: (8 15 12)

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

3: (4 10 13)

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

4: (5 11 9)

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