1: (3 13 18)

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

2: (1 15 10)

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

3: (0 5 2)

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

4: (6 13 20)

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