1: (6 7 8)

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

2: (7 13 16)

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

3: (12 17 15)

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

4: (5 16 8)

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