1: (5 10 17)

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

2: (4 10 6)

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

3: (9 18 16)

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

4: (2 17 6)

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