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

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

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

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

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