1: (0 2 4)

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

2: (1 19 3)

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

3: (2 6 8)

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

4: (5 9 7)

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