1: (0 1 12)

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

2: (4 12 20)

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

3: (2 18 10)

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

4: (6 13 11)

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