1: (10 15 20)

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

2: (6 18 13)

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

3: (7 14 12)

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

4: (4 10 16)

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