1: (5 16 20)

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

2: (4 18 6)

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

3: (14 19 17)

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

4: (2 3 20)

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