1: (1 5 13)

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

2: (4 20 6)

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

3: (5 7 10)

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

4: (9 18 11)

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