1: (4 9 15)

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

2: (5 16 14)

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

3: (1 6 4)

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

4: (3 10 8)

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