C111112111133131121133133313331333131333132322331333132333232321   >>    C11111211113313112113313331333133313133313232233133313233323232   <<    C111112111133131121133133313331333131333132322331333132333232323   >>      C111112111133131121133133313331333131333132322331333132333232322   >>