1: (5 17 18)

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

2: (1 17 15)

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

3: (0 7 2)

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

4: (4 13 6)

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