1: (5 13 16)

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

2: (12 17 14)

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

3: (11 20 16)

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

4: (4 19 6)

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