1: (2 6 20)

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

2: (1 14 3)

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

3: (8 20 19)

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

4: (0 17 4)

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