1: (2 12 21)

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

2: (1 20 3)

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

3: (2 14 4)

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

4: (10 18 13)

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