1,2 at1:1,2,3,4 at2:continuous at3:0,1,2,3,4 at4:continuous at5:1,2,3,4,5 at6:continuous at7:continuous at8:continuous at9:continuous at10:continuous at11:0,1,2,3 at12:0,1,2,3,4 at13:0,1,2 at14:0,1,2 at15:0,1,2 at16:0,1 at17:0,1 at18:0,1 at19:0,1 at20:0,1 at21:0,1 at22:0,1 at23:0,1 at24:0,1