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

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

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

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

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