1: (0 7 17)

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

2: (4 20 9)

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

3: (6 11 8)

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

4: (4 7 19)

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