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

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

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

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

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