1: (3 9 12)

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

2: (4 13 10)

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

3: (7 11 9)

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

4: (6 15 8)

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