1: (0 4 6)

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

2: (2 8 4)

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

3: (5 20 7)

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

4: (1 17 3)

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