1: (0 1 6)

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

2: (6 13 21)

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

3: (3 14 10)

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

4: (2 20 4)

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