C11111333133313232233133313331333133313332322331331123232233321   >>    C1111133313331323223313331333133313331333232233133112323223332   <<    C11111333133313232233133313331333133313332322331331123232233323   >>      C11111333133313232233133313331333133313332322331331123232233322   >>