1: (0 1 3)

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

2: (1 5 7)

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

3: (4 10 6)

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

4: (3 21 7)

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