(0 11 8)(1 21 4)(2 12 10)(3 7 5)(6 14 9)(13 22 20 18 15)(16 19 17)
ALLOWS (11/8)-SEQUENCE
1: (0 3 7)

(0 5 3 11 8)(1 21 4)(2 12 10)(6 14 9)(7)(13 22 20 18 15)(16 19 17)
2: (1 21 4)

(0 5 3 11 8)(1)(2 12 10)(4)(6 14 9)(7)(13 22 20 18 15)(16 19 17)(21)
3: (3 11 5)

(0 5 8)(1)(2 12 10)(3)(4)(6 14 9)(7)(11)(13 22 20 18 15)(16 19 17)(21)
4: (6 14 9)

(0 5 8)(1)(2 12 10)(3)(4)(6)(7)(9)(11)(13 22 20 18 15)(14)(16 19 17)(21)