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

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

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

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

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