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

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

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

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

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