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

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

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

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

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