1: (1 5 11)

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

2: (4 20 7)

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

3: (6 13 8)

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

4: (2 5 15)

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