1: (5 7 13)

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

2: (4 11 6)

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

3: (5 7 13)

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

4: (10 15 12)

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