1: (6 10 15)

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

2: (4 11 7)

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

3: (1 12 10)

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

4: (0 13 2)

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