C3123223313331322121111331333133313331333121211113313231232333132321   >>    C312322331333132212111133133313331333133312121111331323123233313232   <<    C3123223313331322121111331333133313331333121211113313231232333132323   >>      C3123223313331322121111331333133313331333121211113313231232333132322   >>