1: (1 7 18)

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

2: (4 19 16)

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

3: (0 6 2)

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

4: (7 20 17)

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