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

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

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

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

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