C111123313121111121111331323133313331333132322121111133313331322322133313231131   >>    C11112331312111112111133132313331333133313232212111113331333132232213331323113   <<    C111123313121111121111331323133313331333132322121111133313331322322133313231133   >>      C111123313121111121111331323133313331333132322121111133313331322322133313231132   >>