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

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

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

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

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