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

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

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

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

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