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