1: (1 5 10)

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

2: (4 20 7)

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

3: (6 11 9)

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

4: (3 12 10)

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