C31232233133313221211113313331333132313232233133313113313233231323321131   >>    C3123223313331322121111331333133313231323223313331311331323323132332113   <<    C31232233133313221211113313331333132313232233133313113313233231323321133   >>      C31232233133313221211113313331333132313232233133313113313233231323321132   >>