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

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

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

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

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