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

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

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

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

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