1: (0 1 17)

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

2: (4 17 21)

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

3: (2 19 5)

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

4: (1 20 17)

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