(0 6 4)(1 21 19)(2 16 15)(3 18 11 10 8)(5 14 12 9 7)(13 20 17)
ALLOWS (11/8)-SEQUENCE
1: (0 2 4)

(0)(1 21 19)(2 6 4 16 15)(3 18 11 10 8)(5 14 12 9 7)(13 20 17)
2: (2 6 15)

(0)(1 21 19)(2)(3 18 11 10 8)(4 16 15)(5 14 12 9 7)(6)(13 20 17)
3: (3 18 11)

(0)(1 21 19)(2)(3 10 8)(4 16 15)(5 14 12 9 7)(6)(11)(13 20 17)(18)
4: (5 14 7)

(0)(1 21 19)(2)(3 10 8)(4 16 15)(5)(6)(7 12 9)(11)(13 20 17)(14)(18)