1: (0 5 11)

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

2: (4 13 9)

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

3: (3 20 11)

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

4: (7 15 10)

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