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

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

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

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

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