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

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

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

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

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