1: (2 6 20)

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

2: (4 6 8)

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

3: (5 12 7)

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

4: (1 17 3)

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