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

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

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

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

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