1: (0 2 7)

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

2: (1 10 3)

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

3: (2 8 5)

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

4: (6 12 9)

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