1: (3 8 19)

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

2: (2 18 5)

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

3: (4 11 6)

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

4: (10 19 12)

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