1: (4 9 13)

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

2: (13 17 18)

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

3: (7 14 12)

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

4: (5 10 8)

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