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

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

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

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

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