1: (1 7 11)

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

2: (6 17 8)

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

3: (1 7 11)

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

4: (2 18 16)

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