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

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

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

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

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