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

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

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

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

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