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

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

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

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

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