1: (5 10 20)

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

2: (3 11 9)

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

3: (5 10 20)

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

4: (4 13 6)

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