1: (3 8 18)

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

2: (0 17 5)

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

3: (4 9 6)

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

4: (8 20 10)

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