1: (2 7 11)

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

2: (0 8 5)

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

3: (2 7 11)

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

4: (1 19 3)

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