1: (0 1 2)

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

2: (3 7 9)

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

3: (6 21 8)

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

4: (2 9 5)

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