1: (0 1 3)

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

2: (3 8 19)

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

3: (2 12 4)

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

4: (6 13 9)

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