1: (3 8 9)

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

2: (5 10 8)

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

3: (1 6 4)

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

4: (5 18 9)

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