1: (3 5 11)

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

2: (4 15 6)

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

3: (10 16 13)

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

4: (5 12 7)

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