1: (0 3 4)

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

2: (4 8 10)

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

3: (7 11 9)

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

4: (3 10 6)

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