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

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

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

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

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