1: (0 1 4)

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

2: (4 6 20)

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

3: (3 18 5)

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

4: (17 21 19)

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