1: (4 8 19)

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

2: (0 10 5)

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

3: (2 20 17)

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

4: (4 12 6)

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