1: (0 1 5)

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

2: (1 7 19)

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

3: (5 21 17)

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

4: (14 20 18)

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