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

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

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

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

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