(0 17 15)(1 21 19)(2 16 14)(3 13 11 7 5)(4 20 18 12 8)(6 10 9)
ALLOWS (11/8)-SEQUENCE
1: (0 4 15)

(0)(1 21 19)(2 16 14)(3 13 11 7 5)(4 17 15 20 18 12 8)(6 10 9)
2: (8 15 20)

(0)(1 21 19)(2 16 14)(3 13 11 7 5)(4 17 15)(6 10 9)(8 18 12)(20)
3: (1 21 19)

(0)(1)(2 16 14)(3 13 11 7 5)(4 17 15)(6 10 9)(8 18 12)(19)(20)(21)
4: (3 13 5)

(0)(1)(2 16 14)(3)(4 17 15)(5 11 7)(6 10 9)(8 18 12)(13)(19)(20)(21)