1: (1 6 16)

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

2: (0 8 3)

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

3: (1 6 16)

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

4: (5 10 7)

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