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

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

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

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

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