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

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

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

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

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