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

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

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

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

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