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

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

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

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

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