1: (0 1 11)

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

2: (4 17 21)

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

3: (2 19 13)

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

4: (1 20 17)

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