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

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

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

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

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