1: (4 9 11)

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

2: (8 12 10)

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

3: (6 13 11)

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

4: (5 20 7)

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