C112233313331323223313331313331323133313232233132313231313231131   >>    C11223331333132322331333131333132313331323223313231323131323113   <<    C112233313331323223313331313331323133313232233132313231313231133   >>      C112233313331323223313331313331323133313232233132313231313231132   >>