1: (2 7 11)

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

2: (0 8 6)

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

3: (2 7 11)

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

4: (1 20 4)

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