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

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

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

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

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