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

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

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

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

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