1: (4 8 12)

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

2: (3 11 5)

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

3: (10 12 14)

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

4: (1 9 7)

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