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

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

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

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

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