1: (0 1 13)

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

2: (4 13 20)

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

3: (2 15 5)

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

4: (1 19 13)

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