1: (0 5 7)

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

2: (3 9 5)

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

3: (6 12 8)

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

4: (2 19 4)

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