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

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

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

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

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