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

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

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

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

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