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

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

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

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

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