1: (2 7 15)

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

2: (1 9 4)

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

3: (2 7 15)

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

4: (6 11 8)

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