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

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

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

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

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