1: (4 7 11)

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

2: (2 11 13)

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

3: (10 15 12)

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

4: (1 6 3)

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