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

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

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

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

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