1: (4 16 18)

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

2: (14 20 17)

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

3: (1 18 6)

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

4: (0 19 2)

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