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

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

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

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

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