1: (5 9 18)

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

2: (4 15 6)

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

3: (3 10 8)

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

4: (9 19 11)

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