1: (5 10 19)

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

2: (4 14 6)

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

3: (9 17 10)

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

4: (12 18 15)

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