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