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

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

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

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

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