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