C1111133313331323223313331333133313113313121111331322121133131123313122321   >>    C111113331333132322331333133313331311331312111133132212113313112331312232   <<    C1111133313331323223313331333133313113313121111331322121133131123313122323   >>      C1111133313331323223313331333133313113313121111331322121133131123313122322   >>