1: (1 5 8)

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

2: (0 6 2)

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

3: (1 5 8)

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

4: (4 10 7)

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