1: (2 5 12)

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

2: (1 6 3)

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

3: (5 20 7)

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

4: (0 19 8)

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