1: (5 10 20)

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

2: (4 13 6)

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

3: (9 15 11)

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

4: (3 12 10)

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