1: (1 7 12)

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

2: (4 13 11)

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

3: (1 7 12)

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

4: (2 9 6)

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