1: (1 6 12)

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

2: (4 13 11)

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

3: (3 19 12)

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

4: (0 17 2)

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