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

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

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

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

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