1: (5 15 20)

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

2: (4 19 7)

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

3: (5 16 10)

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

4: (6 14 8)

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