C111113331333132322331333133313331323133313233213133313331323131133131121112121   >>    C11111333133313232233133313331333132313331323321313331333132313113313112111212   <<    C111113331333132322331333133313331323133313233213133313331323131133131121112123   >>      C111113331333132322331333133313331323133313233213133313331323131133131121112122   >>