1: (4 15 16)

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

2: (5 10 16)

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

3: (6 19 13)

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

4: (14 20 18)

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