1: (4 7 12)

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

2: (3 9 5)

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

3: (4 8 16)

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

4: (6 15 10)

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