1: (2 5 8)

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

2: (4 19 7)

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

3: (0 9 3)

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

4: (2 6 11)

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