1: (0 3 4)

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

2: (5 8 11)

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

3: (7 12 9)

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

4: (4 11 6)

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