1: (2 7 11)

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

2: (1 9 3)

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

3: (2 7 11)

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

4: (5 10 8)

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