1: (1 5 13)

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

2: (0 6 2)

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

3: (5 15 7)

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

4: (11 17 14)

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