C11111211113313112113313331333131211113313221333132322331322131123331   >>    C1111121111331311211331333133313121111331322133313232233132213112333   <<    C11111211113313112113313331333131211113313221333132322331322131123333   >>      C11111211113313112113313331333131211113313221333132322331322131123332   >>