1: (0 4 7)

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

2: (4 10 13)

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

3: (3 8 5)

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

4: (1 20 11)

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