1: (2 9 12)

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

2: (6 13 11)

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

3: (1 12 4)

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

4: (8 15 10)

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