1: (1 4 18)

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

2: (0 6 2)

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

3: (4 20 16)

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

4: (15 19 17)

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