1: (0 1 15)

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

2: (4 15 21)

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

3: (2 20 5)

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

4: (3 17 10)

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