1: (6 9 13)

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

2: (1 13 20)

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

3: (0 17 2)

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

4: (8 15 12)

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