1: (0 5 10)

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

2: (4 19 6)

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

3: (5 12 7)

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

4: (8 14 11)

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