C11111333133313232233133313331333133312111113132313231323131131   >>    C1111133313331323223313331333133313331211111313231323132313113   <<    C11111333133313232233133313331333133312111113132313231323131133   >>      C11111333133313232233133313331333133312111113132313231323131132   >>