1: (0 1 4)

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

2: (4 8 20)

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

3: (3 12 5)

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

4: (7 17 9)

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