C11111211113313112113313331333133313231311331333131333132322211221   >>    C1111121111331311211331333133313331323131133133313133313232221122   <<    C11111211113313112113313331333133313231311331333131333132322211223   >>      C11111211113313112113313331333133313231311331333131333132322211222   >>