1: (2 7 19)

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

2: (0 18 4)

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

3: (3 8 6)

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

4: (7 20 9)

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