1: (6 10 20)

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

2: (0 3 10)

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

3: (2 18 4)

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

4: (1 19 17)

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