1: (1 5 9)

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

2: (4 11 6)

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

3: (3 19 9)

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

4: (0 14 2)

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