1: (4 6 9)

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

2: (0 6 19)

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

3: (1 20 17)

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

4: (0 9 2)

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