1: (5 10 20)

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

2: (4 16 7)

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

3: (6 11 8)

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

4: (1 12 10)

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