C111123313121111121111331333133313331323132333132213231323132321   >>    C11112331312111112111133133313331333132313233313221323132313232   <<    C111123313121111121111331333133313331323132333132213231323132323   >>      C111123313121111121111331333133313331323132333132213231323132322   >>