1: (4 9 13)

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

2: (3 11 5)

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

3: (7 12 10)

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

4: (13 16 19)

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