1: (5 7 11)

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

2: (2 9 11)

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

3: (0 6 3)

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

4: (8 14 10)

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