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