1: (1 5 9)

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

2: (7 9 12)

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

3: (8 14 10)

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

4: (0 6 4)

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