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

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

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

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

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