1: (5 8 11)

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

2: (4 8 12)

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

3: (7 15 9)

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

4: (1 13 10)

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