1: (5 11 18)

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

2: (1 13 10)

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

3: (0 6 3)

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

4: (4 18 9)

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