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

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

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

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

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