1: (4 7 8)

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

2: (7 11 14)

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

3: (1 12 9)

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

4: (3 17 5)

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