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

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

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

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

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