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

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

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

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

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