1: (4 8 11)

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

2: (3 9 5)

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

3: (6 12 10)

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

4: (4 17 7)

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