1: (5 8 16)

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

2: (2 16 20)

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

3: (0 17 4)

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

4: (1 6 3)

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