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

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

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

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

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