1: (1 7 11)

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

2: (0 8 2)

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

3: (1 7 11)

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

4: (6 12 9)

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