1: (4 10 11)

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

2: (7 12 10)

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

3: (3 8 6)

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

4: (7 13 11)

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