1: (4 7 12)

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

2: (2 8 6)

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

3: (7 20 9)

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

4: (0 19 5)

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