C11111333133313232233133313331333133313321311331323133313113322321   >>    C1111133313331323223313331333133313331332131133132313331311332232   <<    C11111333133313232233133313331333133313321311331323133313113322323   >>      C11111333133313232233133313331333133313321311331323133313113322322   >>