C11112331312111112111133133313331333132323213331333131333131133133313231132321   >>    C1111233131211111211113313331333133313232321333133313133313113313331323113232   <<    C11112331312111112111133133313331333132323213331333131333131133133313231132323   >>      C11112331312111112111133133313331333132323213331333131333131133133313231132322   >>