C3123223313331322121111331333133313231323223313331333121111113312321   >>    C312322331333132212111133133313331323132322331333133312111111331232   <<    C3123223313331322121111331333133313231323223313331333121111113312323   >>      C3123223313331322121111331333133313231323223313331333121111113312322   >>