1: (1 4 15)

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

2: (0 5 2)

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

3: (4 20 12)

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

4: (10 18 13)

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