1: (3 7 18)

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

2: (0 15 5)

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

3: (4 8 6)

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

4: (7 20 9)

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