1: (1 5 7)

(0 19 2)(1 5 7)(3 11 10)(4 20 12 8 6)(9 21 18 15 13)(14 17 16)

2: (4 20 6)

(0 19 2)(1 5 7)(3 11 10)(4)(6 12 8)(9 21 18 15 13)(14 17 16)(20)

3: (0 19 2)

(0)(1 5 7)(2)(3 11 10)(4)(6 12 8)(9 21 18 15 13)(14 17 16)(19)(20)

4: (1 5 7)

(0)(1)(2)(3 11 10)(4)(5)(6 12 8)(7)(9 21 18 15 13)(14 17 16)(19)(20)