1: (5 7 18)

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

2: (4 8 6)

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

3: (7 20 9)

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

4: (1 19 16)

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