1: (1 5 20)

(0 18 3)(1 6 4)(2 8 5 21 20)(7 11 9)(10 19 17 14 12)(13 16 15)

2: (0 18 3)

(0)(1 6 4)(2 8 5 21 20)(3)(7 11 9)(10 19 17 14 12)(13 16 15)(18)

3: (1 6 4)

(0)(1)(2 8 5 21 20)(3)(4)(6)(7 11 9)(10 19 17 14 12)(13 16 15)(18)

4: (5 21 8)

(0)(1)(2 8 20)(3)(4)(5)(6)(7 11 9)(10 19 17 14 12)(13 16 15)(18)(21)