1: (3 6 10)

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

2: (4 13 7)

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

3: (9 15 12)

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

4: (6 11 8)

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