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

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

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

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

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