1: (0 1 3)

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

2: (3 7 15)

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

3: (2 13 5)

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

4: (10 16 14)

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