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

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

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

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

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