1: (0 3 5)

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

2: (5 8 14)

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

3: (7 16 9)

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

4: (3 14 6)

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