1: (2 6 18)

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

2: (0 10 3)

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

3: (2 9 5)

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

4: (1 20 17)

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