1: (0 5 17)

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

2: (2 18 15)

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

3: (1 6 4)

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

4: (12 19 17)

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