1: (4 11 18)

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

2: (1 16 6)

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

3: (5 14 7)

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

4: (13 18 15)

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