1: (0 1 3)

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

2: (3 8 19)

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

3: (2 12 5)

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

4: (6 13 9)

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