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

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

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

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

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