1: (1 5 16)

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

2: (0 7 3)

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

3: (1 5 16)

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

4: (4 8 6)

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