1: (7 11 17)

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

2: (4 6 17)

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

3: (5 13 8)

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

4: (10 15 12)

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