1: (4 7 19)

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

2: (1 8 6)

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

3: (2 20 18)

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

4: (3 19 11)

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