1: (0 5 7)

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

2: (4 8 6)

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

3: (3 17 7)

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

4: (2 21 16)

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