C1111133313331323223313331333133313112331323331323133313132313131   >>    C111113331333132322331333133313331311233132333132313331313231313   <<    C1111133313331323223313331333133313112331323331323133313132313133   >>      C1111133313331323223313331333133313112331323331323133313132313132   >>