1: (6 12 16)

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

2: (11 17 13)

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

3: (4 16 9)

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

4: (5 14 7)

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