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

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

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

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

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