1: (4 8 12)

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

2: (4 13 10)

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

3: (6 17 9)

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

4: (3 7 5)

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