1: (0 6 9)

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

2: (3 10 8)

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

3: (4 19 6)

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

4: (5 12 7)

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