1: (0 1 7)

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

2: (4 7 21)

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

3: (2 12 6)

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

4: (3 20 5)

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