1: (4 5 7)

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

2: (7 11 16)

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

3: (6 14 8)

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

4: (10 15 12)

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