1: (2 5 18)

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

2: (0 7 3)

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

3: (4 10 6)

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

4: (2 9 11)

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