1: (5 8 13)

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

2: (7 14 11)

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

3: (4 10 6)

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

4: (3 12 8)

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