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

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

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

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

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