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

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

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

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

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