1: (1 5 15)

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

2: (0 8 2)

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

3: (6 15 14)

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

4: (4 10 7)

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