1: (4 10 20)

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

2: (2 17 6)

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

3: (5 15 20)

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

4: (0 19 7)

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