1: (1 5 19)

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

2: (0 8 2)

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

3: (6 19 12)

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

4: (4 10 7)

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