1: (1 5 11)

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

2: (4 20 6)

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

3: (0 13 10)

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

4: (5 12 7)

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