C3123223313331322121111331333133313231323223313331323132333133313122321   >>    C312322331333132212111133133313331323132322331333132313233313331312232   <<    C3123223313331322121111331333133313231323223313331323132333133313122323   >>      C3123223313331322121111331333133313231323223313331323132333133313122322   >>