C111123313121111121111331333133313331323131333131133133313331333132313213321   >>    C11112331312111112111133133313331333132313133313113313331333133313231321332   <<    C111123313121111121111331333133313331323131333131133133313331333132313213323   >>      C111123313121111121111331333133313331323131333131133133313331333132313213322   >>