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

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

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

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

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