1: (3 7 16)

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

2: (1 9 4)

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

3: (3 7 16)

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

4: (6 11 8)

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