1: (1 5 13)

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

2: (0 9 2)

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

3: (5 15 20)

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

4: (4 10 6)

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