1: (0 1 4)

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

2: (4 8 20)

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

3: (3 11 6)

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

4: (7 18 9)

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