C11111333133313232233133313331333131133132233133313221211331323221   >>    C1111133313331323223313331333133313113313223313331322121133132322   <<    C11111333133313232233133313331333131133132233133313221211331323223   >>      C11111333133313232233133313331333131133132233133313221211331323222   >>