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

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

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

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

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