1: (5 10 17)

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

2: (4 12 6)

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

3: (8 13 11)

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

4: (1 15 10)

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