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

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

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

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

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