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

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

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

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

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