1: (0 1 12)

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

2: (4 12 20)

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

3: (2 18 8)

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

4: (3 10 5)

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