C11111333133313232233133313331333131133132313331333131121311211332321   >>    C1111133313331323223313331333133313113313231333133313112131121133232   <<    C11111333133313232233133313331333131133132313331333131121311211332323   >>      C11111333133313232233133313331333131133132313331333131121311211332322   >>