1: (0 2 16)

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

2: (1 20 3)

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

3: (6 21 17)

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

4: (2 19 4)

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