1: (0 1 3)

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

2: (1 7 19)

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

3: (3 21 11)

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

4: (6 17 9)

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