1: (0 3 7)

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

2: (5 7 16)

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

3: (4 8 6)

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

4: (3 15 7)

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