1: (0 1 13)

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

2: (7 17 21)

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

3: (4 18 16)

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

4: (3 12 5)

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