1: (5 9 12)

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

2: (0 9 8)

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

3: (4 19 6)

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

4: (1 20 17)

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