1: (2 5 17)

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

2: (0 6 4)

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

3: (1 19 11)

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

4: (5 18 7)

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