1: (2 8 11)

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

2: (7 20 9)

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

3: (2 8 11)

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

4: (0 19 4)

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