1: (4 8 11)

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

2: (7 17 9)

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

3: (3 12 10)

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

4: (6 13 11)

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