1: (0 2 16)

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

2: (1 20 6)

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

3: (4 16 21)

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

4: (3 14 5)

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