1: (0 1 16)

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

2: (4 16 21)

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

3: (3 18 8)

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

4: (1 20 16)

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