1: (5 7 18)

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

2: (3 8 6)

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

3: (1 13 4)

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

4: (7 19 9)

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