C3123223313331322121111331333133313231323223313331333131122112323113121   >>    C312322331333132212111133133313331323132322331333133313112211232311312   <<    C3123223313331322121111331333133313231323223313331333131122112323113123   >>      C3123223313331322121111331333133313231323223313331333131122112323113122   >>