1: (4 8 11)

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

2: (3 9 6)

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

3: (7 12 10)

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

4: (5 13 11)

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