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

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

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

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

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