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

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

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

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

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