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

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

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

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

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