C11111333133313232233133313331333131133131133132313331333133313332112321   >>    C1111133313331323223313331333133313113313113313231333133313331333211232   <<    C11111333133313232233133313331333131133131133132313331333133313332112323   >>      C11111333133313232233133313331333131133131133132313331333133313332112322   >>