1: (1 5 15)

(0 20 2)(1 21 19 15 3)(4 18 13 10 6)(5)(7 11 8)(9 17 16 14 12)

2: (4 18 13)

(0 20 2)(1 21 19 15 3)(4 10 6)(5)(7 11 8)(9 17 16 14 12)(13)(18)

3: (12 16 14)

(0 20 2)(1 21 19 15 3)(4 10 6)(5)(7 11 8)(9 17 16)(12)(13)(14)(18)

4: (3 19 15)

(0 20 2)(1 21 19)(3)(4 10 6)(5)(7 11 8)(9 17 16)(12)(13)(14)(15)(18)